Minor Update

For this minor update:

• Updates Mirror Networking Library dependency to  version:
  • https://github.com/vis2k/Mirror/releases/tag/v30.2.2
• Uses SimpleWebTransport component over deprecated WebsocketTransport component:
  • https://github.com/MirrorNetworking/SimpleWebTransport/releases/tag/v0.8.1

• Renews SSL certificate so game can be played over wss (secured websocket connection)