chore(deps): bump @angular/platform-browser in /edc-policy-playground

Bumps [@angular/platform-browser](https://github.com/angular/angular/tree/HEAD/packages/platform-browser) from 18.0.6 to 22.0.6.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v22.0.6/packages/platform-browser)

---
updated-dependencies:
- dependency-name: "@angular/platform-browser"
  dependency-version: 22.0.6
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

edc-policy-playground/package-lock.json

@@ -16,7 +16,7 @@
     "@angular/common": "^18.0.6",
     "@angular/core": "^18.0.6",
     "@angular/forms": "^18.0.6",
-    "@angular/platform-browser": "^18.0.6",
+    "@angular/platform-browser": "^22.0.6",
     "@angular/platform-browser-dynamic": "^18.0.6",
     "@angular/router": "^18.0.6",
     "@angular/compiler": "^18.0.6",