feat: add support for Angular 21

Author: szuperaz

projects/stream-chat-angular/package.json

@@ -17,9 +17,9 @@
     }
   },
   "peerDependencies": {
-    "@angular/common": "^17.0.0 || ^18.0.0 || ^19.0.0 || ^20.0.0",
-    "@angular/core": "^17.0.0 || ^18.0.0 || ^19.0.0 || ^20.0.0",
-    "@angular/forms": "^17.0.0 || ^18.0.0 || ^19.0.0 || ^20.0.0",
+    "@angular/common": "^17.0.0 || ^18.0.0 || ^19.0.0 || ^20.0.0 || ^21.0.0 || ^21.0.0-rc.2",
+    "@angular/core": "^17.0.0 || ^18.0.0 || ^19.0.0 || ^20.0.0 || ^21.0.0 || ^21.0.0-rc.2",
+    "@angular/forms": "^17.0.0 || ^18.0.0 || ^19.0.0 || ^20.0.0 || ^21.0.0 || ^21.0.0-rc.2",
     "@breezystack/lamejs": "^1.2.7",
     "@ngx-translate/core": "^17.0.0",
     "rxjs": "^7.4.0",