Merge pull request 'Update dependency @fortawesome/fontawesome-free to ^5.15.1' (#31) from renovate/fortawesome-fontawesome-free-5.x into develop

Reviewed-on: https://git.sp-codes.de/samuel-p/sp-codes.de/pulls/31

package.json

@@ -27,7 +27,7 @@
     "npm-run-all": "^4.1.5"
   },
   "dependencies": {
-    "@fortawesome/fontawesome-free": "^5.15.0",
+    "@fortawesome/fontawesome-free": "^5.15.1",
     "bootstrap": "^4.5.2",
     "flag-icon-css": "^3.5.0"
   }