chore(deps-dev): bump @angular/compiler from 20.3.7 to 20.3.15

Bumps [@angular/compiler](https://github.com/angular/angular/tree/HEAD/packages/compiler) from 20.3.7 to 20.3.15.
- [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/20.3.15/packages/compiler)

---
updated-dependencies:
- dependency-name: "@angular/compiler"
  dependency-version: 20.3.15
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package-lock.json

@@ -16,7 +16,7 @@
   "devDependencies": {
     "@angular/build": "^20.3.7",
     "@angular/cli": "~20.3.7",
-    "@angular/compiler": "^20.3.7",
+    "@angular/compiler": "^20.3.15",
     "@angular/compiler-cli": "^20.3.7",
     "@angular/platform-browser-dynamic": "^20.3.7",
     "@colors/colors": "^1.6.0",