Next.js 16, React 19.2, Identities page, Invitations identities step, PNPM Catalogs (#381)

* Upgraded to Next.js 16
* Refactored code to comply with React 19.2 ESLint rules
* Refactored some useEffect usages with the new useEffectEvent
* Added Identities page and added second step to set up an identity after accepting an invitation
* Updated all dependencies
* Introduced PNPM catalogs for some frequently updated dependencies
* Bugs fixing and improvements

packages/monitoring/core/package.json

@@ -17,8 +17,8 @@
     "@kit/eslint-config": "workspace:*",
     "@kit/prettier-config": "workspace:*",
     "@kit/tsconfig": "workspace:*",
-    "@types/react": "19.1.16",
-    "react": "19.1.1"
+    "@types/react": "catalog:",
+    "react": "19.2.0"
   },
   "typesVersions": {
     "*": {