chore(deps-dev): bump @angular-devkit/build-angular (#274)

Bumps [@angular-devkit/build-angular](https://github.com/angular/angular-cli) from 0.901.8 to 0.901.9.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](https://github.com/angular/angular-cli/commits)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

packages/client-ng/package.json

@@ -54,7 +54,7 @@
     "zone.js": "~0.10.2"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.901.8",
+    "@angular-devkit/build-angular": "~0.901.9",
     "@angular/cli": "~9.1.8",
     "@angular/compiler-cli": "~9.1.11",
     "@angular/language-service": "~9.1.11",