Bump engine.io and browser-sync

Bumps [engine.io](https://github.com/socketio/engine.io) to 6.2.1 and updates ancestor dependency [browser-sync](https://github.com/BrowserSync/browser-sync). These dependencies need to be updated together.


Updates `engine.io` from 3.2.1 to 6.2.1
- [Release notes](https://github.com/socketio/engine.io/releases)
- [Changelog](https://github.com/socketio/engine.io/blob/main/CHANGELOG.md)
- [Commits](https://github.com/socketio/engine.io/compare/3.2.1...6.2.1)

Updates `browser-sync` from 2.26.7 to 2.27.10
- [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/v2.26.7...v2.27.10)

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

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

package.json

@@ -24,7 +24,7 @@
 	],
 	"devDependencies": {
 		"autoprefixer": "^9.6.1",
-		"browser-sync": "^2.26.7",
+		"browser-sync": "^2.27.10",
 		"cssnano": "^4.1.10",
 		"del": "^3.0.0",
 		"gulp": "^4.0.2",