build: update ng-packagr version to pass prerelease checks

For preleases the version must be `-next.0`

See: https://github.com/angular/angular-cli/blob/63e994445d6332bf161bbd1b601d70c687704908/scripts/release-checks/dependency-ranges/latest-versions-check.mts

Author: alan-agius4

packages/schematics/angular/utility/latest-versions/package.json

@@ -12,7 +12,7 @@
     "karma-jasmine-html-reporter": "~2.0.0",
     "karma-jasmine": "~5.1.0",
     "karma": "~6.4.0",
-    "ng-packagr": "^16.0.0-next.1",
+    "ng-packagr": "^16.0.0-next.0",
     "protractor": "~7.0.0",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0",