Update dependency @fortawesome/fontawesome-free to ^5.15.4

package.json

@@ -26,7 +26,7 @@
     "@angular/platform-browser-dynamic": "~11.1.0",
     "@angular/platform-server": "~11.1.0",
     "@angular/router": "~11.1.0",
-    "@fortawesome/fontawesome-free": "^5.15.3",
+    "@fortawesome/fontawesome-free": "^5.15.4",
     "@nguniversal/express-engine": "^12.0.2",
     "@ngx-translate/core": "^13.0.0",
     "@ngx-translate/http-loader": "^6.0.0",