Bump @angular-devkit/build-ng-packagr from 0.901.7 to 0.901.8 (#288)

Bumps [@angular-devkit/build-ng-packagr](https://github.com/angular/angular-cli) from 0.901.7 to 0.901.8.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](https://github.com/angular/angular-cli/commits)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^0.901.8",
-    "@angular-devkit/build-ng-packagr": "^0.901.7",
+    "@angular-devkit/build-ng-packagr": "^0.901.8",
     "@angular/cli": "^9.1.8",
     "@angular/compiler-cli": "^9.1.0",
     "@angular/language-service": "^9.1.11",