Bump webpack-bundle-analyzer from 4.10.2 to 5.3.0 in /mpcontribs-portal

Bumps [webpack-bundle-analyzer](https://github.com/webpack/webpack-bundle-analyzer) from 4.10.2 to 5.3.0.
- [Release notes](https://github.com/webpack/webpack-bundle-analyzer/releases)
- [Changelog](https://github.com/webpack/webpack-bundle-analyzer/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack-bundle-analyzer@v4.10.2...v5.3.0)

---
updated-dependencies:
- dependency-name: webpack-bundle-analyzer
  dependency-version: 5.2.0
  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

@@ -48,7 +48,7 @@
     "typy": "^3.3.0",
     "underscore": "^1.13.6",
     "webpack": "^5.89.0",
-    "webpack-bundle-analyzer": "^4.9.1",
+    "webpack-bundle-analyzer": "^5.3.0",
     "webpack-cli": "^5.1.4",
     "webpack4-bundle-tracker": "^0.4.3-beta"
   }