chore(deps-dev): bump @angular/compiler from 21.2.8 to 21.2.9

Bumps [@angular/compiler](https://github.com/angular/angular/tree/HEAD/packages/compiler) from 21.2.8 to 21.2.9.
- [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/v21.2.9/packages/compiler)

---
updated-dependencies:
- dependency-name: "@angular/compiler"
  dependency-version: 21.2.9
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package-lock.json

@@ -90,7 +90,7 @@
     "@angular/build": "21.2.7",
     "@angular/cli": "21.2.7",
     "@angular/common": "21.2.8",
-    "@angular/compiler": "21.2.8",
+    "@angular/compiler": "21.2.9",
     "@angular/compiler-cli": "21.2.8",
     "@angular/core": "21.2.8",
     "@angular/forms": "21.2.8",