chore(deps): bump @angular/platform-server from 19.2.21 to 21.2.13

Bumps [@angular/platform-server](https://github.com/angular/angular/tree/HEAD/packages/platform-server) from 19.2.21 to 21.2.13.
- [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/v21.2.13/packages/platform-server)

---
updated-dependencies:
- dependency-name: "@angular/platform-server"
  dependency-version: 21.2.13
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -18,7 +18,7 @@
     "@angular/forms": "^19.2.21",
     "@angular/platform-browser": "^19.2.21",
     "@angular/platform-browser-dynamic": "^19.2.21",
-    "@angular/platform-server": "^19.2.21",
+    "@angular/platform-server": "^21.2.13",
     "@angular/router": "^19.2.21",
     "@angular/ssr": "^19.2.24",
     "express": "^4.22.1",