chore(deps)(deps-dev): bump @angular/compiler-cli in /frontend

Bumps [@angular/compiler-cli](https://github.com/angular/angular/tree/HEAD/packages/compiler-cli) from 20.3.10 to 20.3.12.
- [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/20.3.12/packages/compiler-cli)

---
updated-dependencies:
- dependency-name: "@angular/compiler-cli"
  dependency-version: 20.3.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -54,7 +54,7 @@
     "@angular-eslint/template-parser": "^20.6.0",
     "@angular/build": "^20.3.9",
     "@angular/cli": "^20.3.10",
-    "@angular/compiler-cli": "^20.3.10",
+    "@angular/compiler-cli": "^20.3.12",
     "@eslint/eslintrc": "^3.1.0",
     "@eslint/js": "^9.11.1",
     "@graphql-codegen/cli": "^6.0.1",