chore(deps): update angular-cli monorepo to v21

Author: renovate[bot]

package.json

@@ -24,8 +24,8 @@
     "zone.js": "~0.13.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^16.2.16",
-    "@angular/cli": "^16.2.16",
+    "@angular-devkit/build-angular": "^21.0.0",
+    "@angular/cli": "^21.0.0",
     "@angular/compiler-cli": "^16.2.12",
     "@types/jasmine": "~4.6.0",
     "@types/node": "^16.0.0",