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

Author: renovate[bot]

package.json

@@ -26,8 +26,8 @@
   },
   "devDependencies": {
     "@analogjs/vite-plugin-angular": "2.3.1",
-    "@angular-devkit/build-angular": "^20.3.18",
-    "@angular/cli": "~20.3.18",
+    "@angular-devkit/build-angular": "^21.2.0",
+    "@angular/cli": "~21.2.0",
     "@angular/compiler-cli": "^21.2.0",
     "@orchy-mfe/models": "^0.3.0",
     "@types/jasmine": "~6.0.0",