fix(deps): peer dependencies for version 21

Author: VStea

projects/design-angular-kit/package.json

@@ -52,11 +52,11 @@
     "tslib": "^2.6.3"
   },
   "peerDependencies": {
-    "@angular/animations": "^20.3.16",
-    "@angular/common": "^20.3.16",
-    "@angular/core": "^20.3.16",
-    "@angular/platform-browser": "^20.3.16",
-    "@angular/router": "^20.3.16",
+    "@angular/animations": "^21.0.4",
+    "@angular/common": "^21.0.4",
+    "@angular/core": "^21.0.4",
+    "@angular/platform-browser": "^21.0.4",
+    "@angular/router": "^21.0.4",
     "@ngx-translate/core": "^16.0.4",
     "@ngx-translate/http-loader": "^16.0.1",
     "bootstrap-italia": "^2.16.2"