Bump qs and browser-sync

Bumps [qs](https://github.com/ljharb/qs) to 6.11.1 and updates ancestor dependency [browser-sync](https://github.com/BrowserSync/browser-sync). These dependencies need to be updated together.


Updates `qs` from 6.5.2 to 6.11.1
- [Release notes](https://github.com/ljharb/qs/releases)
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ljharb/qs/compare/v6.5.2...v6.11.1)

Updates `browser-sync` from 2.26.14 to 2.29.1
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/CHANGELOG.md)
- [Commits](https://github.com/BrowserSync/browser-sync/compare/v2.26.14...v2.29.1)

---
updated-dependencies:
- dependency-name: qs
  dependency-type: indirect
- dependency-name: browser-sync
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -39,7 +39,7 @@
         "jquery.easing": "^1.4.1"
     },
     "devDependencies": {
-        "browser-sync": "2.26.14",
+        "browser-sync": "2.29.1",
         "del": "6.0.0",
         "gulp": "4.0.2",
         "gulp-autoprefixer": "7.0.1",