chore: bump up nestjs to v11

Author: renovate[bot]

packages/backend/server/package.json

@@ -31,11 +31,11 @@
     "@nestjs/core": "^10.4.15",
     "@nestjs/event-emitter": "^2.1.1",
     "@nestjs/graphql": "^12.2.2",
-    "@nestjs/platform-express": "^10.4.15",
-    "@nestjs/platform-socket.io": "^10.4.15",
+    "@nestjs/platform-express": "^11.0.0",
+    "@nestjs/platform-socket.io": "^11.0.0",
     "@nestjs/schedule": "^4.1.2",
     "@nestjs/throttler": "6.3.0",
-    "@nestjs/websockets": "^10.4.15",
+    "@nestjs/websockets": "^11.0.0",
     "@node-rs/argon2": "^2.0.2",
     "@node-rs/crc32": "^1.10.6",
     "@opentelemetry/api": "^1.9.0",