fix(deps-dev): bump @angular/cli from 19.2.15 to 20.3.4

Bumps [@angular/cli](https://github.com/angular/angular-cli) from 19.2.15 to 20.3.4.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@19.2.15...20.3.4)

---
updated-dependencies:
- dependency-name: "@angular/cli"
  dependency-version: 20.3.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -48,7 +48,7 @@
     "@angular-eslint/eslint-plugin-template": "^19.8.1",
     "@angular-eslint/schematics": "^19.8.1",
     "@angular-eslint/template-parser": "^19.8.1",
-    "@angular/cli": "^19.2.15",
+    "@angular/cli": "^20.3.4",
     "@angular/compiler-cli": "^19.2.14",
     "@types/jasmine": "~5.1.8",
     "@typescript-eslint/eslint-plugin": "^8.35.0",