Bump @angular/language-service in /samples/lib/spa-angular-client

Bumps [@angular/language-service](https://github.com/angular/angular/tree/HEAD/packages/language-service) from 12.2.12 to 13.0.2.
- [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/13.0.2/packages/language-service)

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

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Author: dependabot[bot]

samples/lib/spa-angular-client/package-lock.json

@@ -40,7 +40,7 @@
     "@angular-devkit/build-angular": "^12.2.12",
     "@angular/cli": "^12.2.12",
     "@angular/compiler-cli": "^12.1.4",
-    "@angular/language-service": "^12.2.12",
+    "@angular/language-service": "^13.0.2",
     "@types/base64-arraybuffer": "^0.2.0",
     "@types/jasmine": "~3.10.1",
     "@types/jasminewd2": "~2.0.10",