Update angular monorepo to v21

Author: renovate[bot]

package.json

@@ -11,22 +11,22 @@
     "e2e": "ng e2e"
   },
   "dependencies": {
-    "@angular/animations": "^15.0.2",
-    "@angular/common": "^15.0.2",
-    "@angular/compiler": "^15.0.2",
-    "@angular/core": "^15.0.2",
-    "@angular/forms": "^15.0.2",
-    "@angular/platform-browser": "^15.0.2",
-    "@angular/platform-browser-dynamic": "^15.0.2",
-    "@angular/router": "^15.0.2",
+    "@angular/animations": "^21.0.0",
+    "@angular/common": "^21.0.0",
+    "@angular/compiler": "^21.0.0",
+    "@angular/core": "^21.0.0",
+    "@angular/forms": "^21.0.0",
+    "@angular/platform-browser": "^21.0.0",
+    "@angular/platform-browser-dynamic": "^21.0.0",
+    "@angular/router": "^21.0.0",
     "rxjs": "^7.5.7",
     "tslib": "^2.4.1",
     "zone.js": "^0.12.0"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^14.0.0",
     "@angular/cli": "~14.0.0",
-    "@angular/compiler-cli": "^14.0.0",
+    "@angular/compiler-cli": "^21.0.0",
     "@types/jasmine": "~4.0.0",
     "jasmine-core": "~4.1.0",
     "karma": "~6.3.0",