Bump @angular/cli from 8.3.10 to 8.3.12

Bumps [@angular/cli](https://github.com/angular/angular-cli) from 8.3.10 to 8.3.12.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](angular/angular-cli@v8.3.10...v8.3.12)

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

package.json

@@ -89,7 +89,7 @@
     },
     "devDependencies": {
         "@angular-devkit/build-angular": "^0.803.10",
-        "@angular/cli": "~8.3.10",
+        "@angular/cli": "~8.3.12",
         "@angular/compiler-cli": "^8.2.2",
         "@angular/language-service": "~8.2.11",
         "@types/ajv": "^1.0.0",