build(deps-dev): bump @angular/language-service

Bumps [@angular/language-service](https://github.com/angular/angular/tree/HEAD/packages/language-service) from 11.2.13 to 12.2.12.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/master/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/12.2.12/packages/language-service)

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

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

src/projects/media/webview/package.json

@@ -29,7 +29,7 @@
     "@angular-devkit/build-angular": "0.1102.12",
     "@angular/cli": "11.2.12",
     "@angular/compiler-cli": "11.0.0",
-    "@angular/language-service": "11.2.13",
+    "@angular/language-service": "12.2.12",
     "@types/jasmine": "3.7.0",
     "@types/jasminewd2": "2.0.9",
     "@types/node": "15.0.2",