update dependencies

vendor/fontawesome-free/less/_icons.less

@@ -14,6 +14,7 @@
 .@{fa-css-prefix}-adversal:before { content: @fa-var-adversal; }
 .@{fa-css-prefix}-affiliatetheme:before { content: @fa-var-affiliatetheme; }
 .@{fa-css-prefix}-air-freshener:before { content: @fa-var-air-freshener; }
+.@{fa-css-prefix}-airbnb:before { content: @fa-var-airbnb; }
 .@{fa-css-prefix}-algolia:before { content: @fa-var-algolia; }
 .@{fa-css-prefix}-align-center:before { content: @fa-var-align-center; }
 .@{fa-css-prefix}-align-justify:before { content: @fa-var-align-justify; }
@@ -98,6 +99,7 @@
 .@{fa-css-prefix}-battery-half:before { content: @fa-var-battery-half; }
 .@{fa-css-prefix}-battery-quarter:before { content: @fa-var-battery-quarter; }
 .@{fa-css-prefix}-battery-three-quarters:before { content: @fa-var-battery-three-quarters; }
+.@{fa-css-prefix}-battle-net:before { content: @fa-var-battle-net; }
 .@{fa-css-prefix}-bed:before { content: @fa-var-bed; }
 .@{fa-css-prefix}-beer:before { content: @fa-var-beer; }
 .@{fa-css-prefix}-behance:before { content: @fa-var-behance; }
@@ -135,6 +137,7 @@
 .@{fa-css-prefix}-book-open:before { content: @fa-var-book-open; }
 .@{fa-css-prefix}-book-reader:before { content: @fa-var-book-reader; }
 .@{fa-css-prefix}-bookmark:before { content: @fa-var-bookmark; }
+.@{fa-css-prefix}-bootstrap:before { content: @fa-var-bootstrap; }
 .@{fa-css-prefix}-bowling-ball:before { content: @fa-var-bowling-ball; }
 .@{fa-css-prefix}-box:before { content: @fa-var-box; }
 .@{fa-css-prefix}-box-open:before { content: @fa-var-box-open; }
@@ -148,6 +151,7 @@
 .@{fa-css-prefix}-broom:before { content: @fa-var-broom; }
 .@{fa-css-prefix}-brush:before { content: @fa-var-brush; }
 .@{fa-css-prefix}-btc:before { content: @fa-var-btc; }
+.@{fa-css-prefix}-buffer:before { content: @fa-var-buffer; }
 .@{fa-css-prefix}-bug:before { content: @fa-var-bug; }
 .@{fa-css-prefix}-building:before { content: @fa-var-building; }
 .@{fa-css-prefix}-bullhorn:before { content: @fa-var-bullhorn; }
@@ -236,6 +240,7 @@
 .@{fa-css-prefix}-chevron-up:before { content: @fa-var-chevron-up; }
 .@{fa-css-prefix}-child:before { content: @fa-var-child; }
 .@{fa-css-prefix}-chrome:before { content: @fa-var-chrome; }
+.@{fa-css-prefix}-chromecast:before { content: @fa-var-chromecast; }
 .@{fa-css-prefix}-church:before { content: @fa-var-church; }
 .@{fa-css-prefix}-circle:before { content: @fa-var-circle; }
 .@{fa-css-prefix}-circle-notch:before { content: @fa-var-circle-notch; }
@@ -407,6 +412,7 @@
 .@{fa-css-prefix}-ethernet:before { content: @fa-var-ethernet; }
 .@{fa-css-prefix}-etsy:before { content: @fa-var-etsy; }
 .@{fa-css-prefix}-euro-sign:before { content: @fa-var-euro-sign; }
+.@{fa-css-prefix}-evernote:before { content: @fa-var-evernote; }
 .@{fa-css-prefix}-exchange-alt:before { content: @fa-var-exchange-alt; }
 .@{fa-css-prefix}-exclamation:before { content: @fa-var-exclamation; }
 .@{fa-css-prefix}-exclamation-circle:before { content: @fa-var-exclamation-circle; }
@@ -667,6 +673,7 @@
 .@{fa-css-prefix}-invision:before { content: @fa-var-invision; }
 .@{fa-css-prefix}-ioxhost:before { content: @fa-var-ioxhost; }
 .@{fa-css-prefix}-italic:before { content: @fa-var-italic; }
+.@{fa-css-prefix}-itch-io:before { content: @fa-var-itch-io; }
 .@{fa-css-prefix}-itunes:before { content: @fa-var-itunes; }
 .@{fa-css-prefix}-itunes-note:before { content: @fa-var-itunes-note; }
 .@{fa-css-prefix}-java:before { content: @fa-var-java; }
@@ -987,6 +994,7 @@
 .@{fa-css-prefix}-sad-cry:before { content: @fa-var-sad-cry; }
 .@{fa-css-prefix}-sad-tear:before { content: @fa-var-sad-tear; }
 .@{fa-css-prefix}-safari:before { content: @fa-var-safari; }
+.@{fa-css-prefix}-salesforce:before { content: @fa-var-salesforce; }
 .@{fa-css-prefix}-sass:before { content: @fa-var-sass; }
 .@{fa-css-prefix}-satellite:before { content: @fa-var-satellite; }
 .@{fa-css-prefix}-satellite-dish:before { content: @fa-var-satellite-dish; }
@@ -1080,6 +1088,7 @@
 .@{fa-css-prefix}-spa:before { content: @fa-var-spa; }
 .@{fa-css-prefix}-space-shuttle:before { content: @fa-var-space-shuttle; }
 .@{fa-css-prefix}-speakap:before { content: @fa-var-speakap; }
+.@{fa-css-prefix}-speaker-deck:before { content: @fa-var-speaker-deck; }
 .@{fa-css-prefix}-spider:before { content: @fa-var-spider; }
 .@{fa-css-prefix}-spinner:before { content: @fa-var-spinner; }
 .@{fa-css-prefix}-splotch:before { content: @fa-var-splotch; }
@@ -1135,6 +1144,7 @@
 .@{fa-css-prefix}-swatchbook:before { content: @fa-var-swatchbook; }
 .@{fa-css-prefix}-swimmer:before { content: @fa-var-swimmer; }
 .@{fa-css-prefix}-swimming-pool:before { content: @fa-var-swimming-pool; }
+.@{fa-css-prefix}-symfony:before { content: @fa-var-symfony; }
 .@{fa-css-prefix}-synagogue:before { content: @fa-var-synagogue; }
 .@{fa-css-prefix}-sync:before { content: @fa-var-sync; }
 .@{fa-css-prefix}-sync-alt:before { content: @fa-var-sync-alt; }
@@ -1304,6 +1314,8 @@
 .@{fa-css-prefix}-wallet:before { content: @fa-var-wallet; }
 .@{fa-css-prefix}-warehouse:before { content: @fa-var-warehouse; }
 .@{fa-css-prefix}-water:before { content: @fa-var-water; }
+.@{fa-css-prefix}-wave-square:before { content: @fa-var-wave-square; }
+.@{fa-css-prefix}-waze:before { content: @fa-var-waze; }
 .@{fa-css-prefix}-weebly:before { content: @fa-var-weebly; }
 .@{fa-css-prefix}-weibo:before { content: @fa-var-weibo; }
 .@{fa-css-prefix}-weight:before { content: @fa-var-weight; }
@@ -1341,6 +1353,7 @@
 .@{fa-css-prefix}-xing-square:before { content: @fa-var-xing-square; }
 .@{fa-css-prefix}-y-combinator:before { content: @fa-var-y-combinator; }
 .@{fa-css-prefix}-yahoo:before { content: @fa-var-yahoo; }
+.@{fa-css-prefix}-yammer:before { content: @fa-var-yammer; }
 .@{fa-css-prefix}-yandex:before { content: @fa-var-yandex; }
 .@{fa-css-prefix}-yandex-international:before { content: @fa-var-yandex-international; }
 .@{fa-css-prefix}-yarn:before { content: @fa-var-yarn; }

vendor/fontawesome-free/less/_list.less

@@ -3,7 +3,7 @@
 
 .@{fa-css-prefix}-ul {
   list-style-type: none;
-  margin-left: @fa-li-width * 5/4;
+  margin-left: (@fa-li-width * 5/4);
   padding-left: 0;
 
   > li { position: relative; }

vendor/fontawesome-free/less/_mixins.less

@@ -9,7 +9,6 @@
   font-variant: normal;
   font-weight: normal;
   line-height: 1;
-  vertical-align: -.125em;
 }
 
 .fa-icon-rotate(@degrees, @rotation) {

vendor/fontawesome-free/less/_variables.less

@@ -6,7 +6,7 @@
 @fa-font-display:     auto;
 @fa-line-height-base: 1;
 @fa-css-prefix:       fa;
-@fa-version:          "5.7.2";
+@fa-version:          "5.8.1";
 @fa-border-color:     #eee;
 @fa-inverse:          #fff;
 @fa-li-width:         2em;
@@ -24,6 +24,7 @@
 @fa-var-adversal: "\f36a";
 @fa-var-affiliatetheme: "\f36b";
 @fa-var-air-freshener: "\f5d0";
+@fa-var-airbnb: "\f834";
 @fa-var-algolia: "\f36c";
 @fa-var-align-center: "\f037";
 @fa-var-align-justify: "\f039";
@@ -108,6 +109,7 @@
 @fa-var-battery-half: "\f242";
 @fa-var-battery-quarter: "\f243";
 @fa-var-battery-three-quarters: "\f241";
+@fa-var-battle-net: "\f835";
 @fa-var-bed: "\f236";
 @fa-var-beer: "\f0fc";
 @fa-var-behance: "\f1b4";
@@ -145,6 +147,7 @@
 @fa-var-book-open: "\f518";
 @fa-var-book-reader: "\f5da";
 @fa-var-bookmark: "\f02e";
+@fa-var-bootstrap: "\f836";
 @fa-var-bowling-ball: "\f436";
 @fa-var-box: "\f466";
 @fa-var-box-open: "\f49e";
@@ -158,6 +161,7 @@
 @fa-var-broom: "\f51a";
 @fa-var-brush: "\f55d";
 @fa-var-btc: "\f15a";
+@fa-var-buffer: "\f837";
 @fa-var-bug: "\f188";
 @fa-var-building: "\f1ad";
 @fa-var-bullhorn: "\f0a1";
@@ -246,6 +250,7 @@
 @fa-var-chevron-up: "\f077";
 @fa-var-child: "\f1ae";
 @fa-var-chrome: "\f268";
+@fa-var-chromecast: "\f838";
 @fa-var-church: "\f51d";
 @fa-var-circle: "\f111";
 @fa-var-circle-notch: "\f1ce";
@@ -417,6 +422,7 @@
 @fa-var-ethernet: "\f796";
 @fa-var-etsy: "\f2d7";
 @fa-var-euro-sign: "\f153";
+@fa-var-evernote: "\f839";
 @fa-var-exchange-alt: "\f362";
 @fa-var-exclamation: "\f12a";
 @fa-var-exclamation-circle: "\f06a";
@@ -677,6 +683,7 @@
 @fa-var-invision: "\f7b0";
 @fa-var-ioxhost: "\f208";
 @fa-var-italic: "\f033";
+@fa-var-itch-io: "\f83a";
 @fa-var-itunes: "\f3b4";
 @fa-var-itunes-note: "\f3b5";
 @fa-var-java: "\f4e4";
@@ -997,6 +1004,7 @@
 @fa-var-sad-cry: "\f5b3";
 @fa-var-sad-tear: "\f5b4";
 @fa-var-safari: "\f267";
+@fa-var-salesforce: "\f83b";
 @fa-var-sass: "\f41e";
 @fa-var-satellite: "\f7bf";
 @fa-var-satellite-dish: "\f7c0";
@@ -1090,6 +1098,7 @@
 @fa-var-spa: "\f5bb";
 @fa-var-space-shuttle: "\f197";
 @fa-var-speakap: "\f3f3";
+@fa-var-speaker-deck: "\f83c";
 @fa-var-spider: "\f717";
 @fa-var-spinner: "\f110";
 @fa-var-splotch: "\f5bc";
@@ -1145,6 +1154,7 @@
 @fa-var-swatchbook: "\f5c3";
 @fa-var-swimmer: "\f5c4";
 @fa-var-swimming-pool: "\f5c5";
+@fa-var-symfony: "\f83d";
 @fa-var-synagogue: "\f69b";
 @fa-var-sync: "\f021";
 @fa-var-sync-alt: "\f2f1";
@@ -1314,6 +1324,8 @@
 @fa-var-wallet: "\f555";
 @fa-var-warehouse: "\f494";
 @fa-var-water: "\f773";
+@fa-var-wave-square: "\f83e";
+@fa-var-waze: "\f83f";
 @fa-var-weebly: "\f5cc";
 @fa-var-weibo: "\f18a";
 @fa-var-weight: "\f496";
@@ -1351,6 +1363,7 @@
 @fa-var-xing-square: "\f169";
 @fa-var-y-combinator: "\f23b";
 @fa-var-yahoo: "\f19e";
+@fa-var-yammer: "\f840";
 @fa-var-yandex: "\f413";
 @fa-var-yandex-international: "\f414";
 @fa-var-yarn: "\f7e3";

vendor/fontawesome-free/less/brands.less

@@ -1,3 +1,7 @@
+/*!
+ * Font Awesome Free 5.8.1 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ */
 @import "_variables.less";
 
 @font-face {

vendor/fontawesome-free/less/fontawesome.less

@@ -1,3 +1,7 @@
+/*!
+ * Font Awesome Free 5.8.1 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ */
 @import "_variables.less";
 @import "_mixins.less";
 @import "_core.less";

vendor/fontawesome-free/less/regular.less

@@ -1,3 +1,7 @@
+/*!
+ * Font Awesome Free 5.8.1 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ */
 @import "_variables.less";
 
 @font-face {

vendor/fontawesome-free/less/solid.less

@@ -1,3 +1,7 @@
+/*!
+ * Font Awesome Free 5.8.1 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ */
 @import "_variables.less";
 
 @font-face {

vendor/fontawesome-free/less/v4-shims.less

@@ -1,2 +1,6 @@
+/*!
+ * Font Awesome Free 5.8.1 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ */
 @import '_variables.less';
 @import '_shims.less';