Bump @angular/language-service from 18.1.1 to 18.2.6

Bumps [@angular/language-service](https://github.com/angular/angular/tree/HEAD/packages/language-service) from 18.1.1 to 18.2.6.
- [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/18.2.6/packages/language-service)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -40,7 +40,7 @@
     "@angular-eslint/template-parser": "18.1.0",
     "@angular/cli": "^18.1.1",
     "@angular/compiler-cli": "^18.1.1",
-    "@angular/language-service": "^18.1.1",
+    "@angular/language-service": "^18.2.6",
     "@types/jasmine": "~5.1.4",
     "@types/jasminewd2": "^2.0.13",
     "@types/node": "^20.12.7",