build(deps-dev): bump @angular/cli from 9.1.7 to 9.1.8

Bumps [@angular/cli](https://github.com/angular/angular-cli) from 9.1.7 to 9.1.8.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](angular/angular-cli@v9.1.7...v9.1.8)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -49,7 +49,7 @@
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.901.8",
     "@angular-devkit/build-ng-packagr": "~0.901.7",
-    "@angular/cli": "~9.1.7",
+    "@angular/cli": "~9.1.8",
     "@angular/compiler-cli": "~9.0.0",
     "@angular/language-service": "~9.1.9",
     "@daybrush/jsdoc": "^0.3.7",