Bump @angular/language-service from 7.2.12 to 7.2.13

Bumps [@angular/language-service](https://github.com/angular/angular) from 7.2.12 to 7.2.13.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/master/CHANGELOG.md)
- [Commits](angular/angular@7.2.12...7.2.13)

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

Author: dependabot-support

package-lock.json

@@ -41,7 +41,7 @@
     "@angular/core": "^7.2.12",
     "@angular/forms": "^7.2.12",
     "@angular/http": "^7.2.12",
-    "@angular/language-service": "^7.2.12",
+    "@angular/language-service": "^7.2.13",
     "@angular/platform-browser": "^7.2.12",
     "@angular/platform-browser-dynamic": "^7.2.12",
     "@angular/router": "^7.2.12",