chore(deps): bump @angular/platform-server from 21.2.9 to 21.2.13

Bumps [@angular/platform-server](https://github.com/angular/angular/tree/HEAD/packages/platform-server) from 21.2.9 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
...

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

Author: dependabot[bot]

package.json

@@ -51,7 +51,7 @@
         "@angular/forms": "21.2.9",
         "@angular/platform-browser": "21.2.9",
         "@angular/platform-browser-dynamic": "21.2.9",
-        "@angular/platform-server": "21.2.9",
+        "@angular/platform-server": "21.2.13",
         "@angular/router": "21.2.9",
         "@angular/ssr": "21.2.9",
         "@floating-ui/dom": "^1.7.4",