build(dev-dependencies): update angular-cli monorepo to v21

Author: renovate[bot]

package.json

@@ -43,13 +43,13 @@
     "zone.js": "~0.14.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^17.0.0",
+    "@angular-devkit/build-angular": "^21.0.0",
     "@angular-eslint/builder": "^17.0.0",
     "@angular-eslint/eslint-plugin": "^17.0.0",
     "@angular-eslint/eslint-plugin-template": "^17.0.0",
     "@angular-eslint/schematics": "^17.0.0",
     "@angular-eslint/template-parser": "^17.0.0",
-    "@angular/cli": "^17.0.0",
+    "@angular/cli": "^21.0.0",
     "@angular/compiler-cli": "^17.0.0",
     "@angular/language-service": "^17.0.0",
     "@cypress/schematic": "2.5.2",