Bump @angular/language-service from 11.2.12 to 12.0.0 (#6081)

Bumps [@angular/language-service](https://github.com/angular/angular/tree/HEAD/packages/language-service) from 11.2.12 to 12.0.0.
- [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/12.0.0/packages/language-service)
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package-lock.json

@@ -648,9 +648,9 @@
       }
     },
     "@angular/language-service": {
-      "version": "11.2.12",
-      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-11.2.12.tgz",
-      "integrity": "sha512-7AMEnVbJeeoZnR73zSS87H6W2lZpx8Je+I90weH0hV1/Q9jYz8i2RAioiEAg8pKWvrxwwGGyMdVg9SFSJqSyWw==",
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@angular/language-service/-/language-service-12.0.0.tgz",
+      "integrity": "sha512-LDS1+dOdXUEf0kiqcYnOfXBIs2HAD6vJ5HWb58kq6z/8AHRMvvHiwSV26UlIbnnD+CBnTu36xmbCyZtIJluhqw==",
       "dev": true
     },
     "@angular/localize": {

package.json

@@ -130,7 +130,7 @@
     "@angular-devkit/build-angular": "0.1102.12",
     "@angular/cli": "11.2.12",
     "@angular/compiler-cli": "11.2.7",
-    "@angular/language-service": "11.2.12",
+    "@angular/language-service": "12.0.0",
     "@babel/core": "7.14.2",
     "@babel/preset-env": "7.14.1",
     "@babel/register": "7.13.16",