chore(deps): update angular to v21.0.0-rc.1

Author: renovate[bot]

demo/package.json

@@ -21,8 +21,8 @@
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@angular/build": "21.0.0-rc.0",
-    "@angular/cli": "21.0.0-rc.0",
+    "@angular/build": "21.0.0-rc.1",
+    "@angular/cli": "21.0.0-rc.1",
     "@angular/compiler-cli": "21.0.0-rc.0",
     "typescript": "~5.9.0"
   }

libs/angular-ecmascript-intl/package.json

@@ -28,7 +28,7 @@
     "test": "ng test"
   },
   "devDependencies": {
-    "@angular/cli": "21.0.0-rc.0",
+    "@angular/cli": "21.0.0-rc.1",
     "@angular/common": "21.0.0-rc.0",
     "@angular/core": "21.0.0-rc.0",
     "@angular/platform-browser": "21.0.0-rc.0",