chore(e2e/nx): update angular-cli monorepo to v21

Author: renovate[bot]

e2e/nx/package.json

@@ -24,8 +24,8 @@
     "zone.js": "0.15.1"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "19.2.19",
-    "@angular/cli": "19.2.19",
+    "@angular-devkit/build-angular": "21.0.1",
+    "@angular/cli": "21.0.1",
     "@angular/compiler-cli": "19.2.17",
     "@angular/language-service": "19.2.17",
     "@nx/jest": "22.1.3",