Bump @fortawesome/fontawesome-free in /mpcontribs-portal

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 6.7.2 to 7.3.0.
- [Release notes](https://github.com/FortAwesome/Font-Awesome/releases)
- [Changelog](https://github.com/FortAwesome/Font-Awesome/blob/7.x/CHANGELOG.md)
- [Commits](FortAwesome/Font-Awesome@6.7.2...7.3.0)

---
updated-dependencies:
- dependency-name: "@fortawesome/fontawesome-free"
  dependency-version: 7.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

mpcontribs-portal/package.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "@babel/core": "^7.23.2",
     "@babel/preset-env": "^7.23.2",
-    "@fortawesome/fontawesome-free": "^6.4.2",
+    "@fortawesome/fontawesome-free": "^7.3.0",
     "@vizuaalog/bulmajs": "^0.12.2",
     "babel-loader": "^9.1.3",
     "babel-plugin-lodash": "^3.3.4",