Bump @angular/compiler from 21.0.5 to 21.0.7

Bumps [@angular/compiler](https://github.com/angular/angular/tree/HEAD/packages/compiler) from 21.0.5 to 21.0.7.
- [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/v21.0.7/packages/compiler)

---
updated-dependencies:
- dependency-name: "@angular/compiler"
  dependency-version: 21.0.7
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

apps/demos/package.json

@@ -19,7 +19,7 @@
         "@angular-devkit/build-angular": "~21.0.0",
         "@angular/cli": "~21.0.0",
         "@angular/common": "~21.0.0",
-        "@angular/compiler": "~21.0.0",
+        "@angular/compiler": "~19.2.18",
         "@angular/compiler-cli": "~21.0.0",
         "@angular/core": "~21.0.7",
         "@angular/forms": "~21.0.0",