Bump @angular/cli in /angular/directives/app-attach-directive

Bumps [@angular/cli](https://github.com/angular/angular-cli) from 9.1.6 to 9.1.7.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](angular/angular-cli@v9.1.6...v9.1.7)

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

Author: dependabot-preview[bot]

angular/directives/app-attach-directive/package-lock.json

@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.901.6",
-    "@angular/cli": "^9.1.6",
+    "@angular/cli": "^9.1.7",
     "@angular/compiler-cli": "^9.1.7",
     "@angular/language-service": "^9.1.9",
     "@types/jasmine": "~3.5.10",