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

Author: renovate[bot]

package.json

@@ -22,9 +22,9 @@
   "devDependencies": {
     "@analogjs/vite-plugin-angular": "2.1.2",
     "@analogjs/vitest-angular": "2.1.2",
-    "@angular-devkit/build-angular": "20.3.13",
-    "@angular-devkit/core": "20.3.13",
-    "@angular-devkit/schematics": "20.3.13",
+    "@angular-devkit/build-angular": "21.1.1",
+    "@angular-devkit/core": "21.1.1",
+    "@angular-devkit/schematics": "21.1.1",
     "@angular/compiler-cli": "20.3.9",
     "@angular/language-service": "20.3.9",
     "@eslint/js": "10.0.0",
@@ -36,7 +36,7 @@
     "@nx/vite": "22.1.3",
     "@nx/web": "22.1.3",
     "@nx/workspace": "22.1.3",
-    "@schematics/angular": "20.3.13",
+    "@schematics/angular": "21.1.1",
     "@swc-node/register": "1.11.1",
     "@swc/core": "1.15.3",
     "@swc/helpers": "0.5.17",