update dependencies

vendor/fontawesome-free/css/all.css

@@ -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)
+ */
 .fa,
 .fas,
 .far,
@@ -223,6 +227,9 @@ readers do not read off random characters that represent icons */
 .fa-air-freshener:before {
   content: "\f5d0"; }
 
+.fa-airbnb:before {
+  content: "\f834"; }
+
 .fa-algolia:before {
   content: "\f36c"; }
 
@@ -475,6 +482,9 @@ readers do not read off random characters that represent icons */
 .fa-battery-three-quarters:before {
   content: "\f241"; }
 
+.fa-battle-net:before {
+  content: "\f835"; }
+
 .fa-bed:before {
   content: "\f236"; }
 
@@ -586,6 +596,9 @@ readers do not read off random characters that represent icons */
 .fa-bookmark:before {
   content: "\f02e"; }
 
+.fa-bootstrap:before {
+  content: "\f836"; }
+
 .fa-bowling-ball:before {
   content: "\f436"; }
 
@@ -625,6 +638,9 @@ readers do not read off random characters that represent icons */
 .fa-btc:before {
   content: "\f15a"; }
 
+.fa-buffer:before {
+  content: "\f837"; }
+
 .fa-bug:before {
   content: "\f188"; }
 
@@ -889,6 +905,9 @@ readers do not read off random characters that represent icons */
 .fa-chrome:before {
   content: "\f268"; }
 
+.fa-chromecast:before {
+  content: "\f838"; }
+
 .fa-church:before {
   content: "\f51d"; }
 
@@ -1402,6 +1421,9 @@ readers do not read off random characters that represent icons */
 .fa-euro-sign:before {
   content: "\f153"; }
 
+.fa-evernote:before {
+  content: "\f839"; }
+
 .fa-exchange-alt:before {
   content: "\f362"; }
 
@@ -2182,6 +2204,9 @@ readers do not read off random characters that represent icons */
 .fa-italic:before {
   content: "\f033"; }
 
+.fa-itch-io:before {
+  content: "\f83a"; }
+
 .fa-itunes:before {
   content: "\f3b4"; }
 
@@ -3142,6 +3167,9 @@ readers do not read off random characters that represent icons */
 .fa-safari:before {
   content: "\f267"; }
 
+.fa-salesforce:before {
+  content: "\f83b"; }
+
 .fa-sass:before {
   content: "\f41e"; }
 
@@ -3421,6 +3449,9 @@ readers do not read off random characters that represent icons */
 .fa-speakap:before {
   content: "\f3f3"; }
 
+.fa-speaker-deck:before {
+  content: "\f83c"; }
+
 .fa-spider:before {
   content: "\f717"; }
 
@@ -3586,6 +3617,9 @@ readers do not read off random characters that represent icons */
 .fa-swimming-pool:before {
   content: "\f5c5"; }
 
+.fa-symfony:before {
+  content: "\f83d"; }
+
 .fa-synagogue:before {
   content: "\f69b"; }
 
@@ -4093,6 +4127,12 @@ readers do not read off random characters that represent icons */
 .fa-water:before {
   content: "\f773"; }
 
+.fa-wave-square:before {
+  content: "\f83e"; }
+
+.fa-waze:before {
+  content: "\f83f"; }
+
 .fa-weebly:before {
   content: "\f5cc"; }
 
@@ -4204,6 +4244,9 @@ readers do not read off random characters that represent icons */
 .fa-yahoo:before {
   content: "\f19e"; }
 
+.fa-yammer:before {
+  content: "\f840"; }
+
 .fa-yandex:before {
   content: "\f413"; }