chore(deps-dev): bump @angular/platform-browser from 21.2.0 to 21.2.1 (#2560)

Bumps [@angular/platform-browser](https://github.com/angular/angular/tree/HEAD/packages/platform-browser) from 21.2.0 to 21.2.1.
- [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/v21.2.1/packages/platform-browser)

---
updated-dependencies:
- dependency-name: "@angular/platform-browser"
  dependency-version: 21.2.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

package-lock.json

@@ -75,7 +75,7 @@
         "@angular/compiler-cli": "21.2.1",
         "@angular/core": "21.2.0",
         "@angular/forms": "21.2.1",
-        "@angular/platform-browser": "21.2.0",
+        "@angular/platform-browser": "21.2.1",
         "@angular/platform-browser-dynamic": "21.2.1",
         "@angular/router": "21.2.1",
         "@babel/cli": "7.28.6",