chore: bump socket.io-adapter version

Diff: socketio/socket.io-adapter@2.0.3...2.1.0

Includes:

- add room events ([155fa63](socketio/socket.io-adapter@155fa63))
- make rooms and sids public ([313c5a9](socketio/socket.io-adapter@313c5a9))

Author: darrachequesne

package-lock.json

@@ -50,7 +50,7 @@
     "base64id": "~2.0.0",
     "debug": "~4.3.1",
     "engine.io": "~4.1.0",
-    "socket.io-adapter": "~2.0.3",
+    "socket.io-adapter": "~2.1.0",
     "socket.io-parser": "~4.0.3"
   },
   "devDependencies": {