2.52.0

• Update of the iOS SDK toolchain to 14.2
• Dependency update: VoxImplantWebRTC is updated to 112.0.0
• Minimum supported iOS version is changed to 12.0
• Introduce VIConnectionNode enum
• Introduce new APIs to connect to the Voximplant Cloud:
  • [VIClient connectTo:]
  • [VIClient connectTo:connectivityCheck:gateways:]
• The following APIs are marked as deprecated and will be removed soon:
  • [VIClient connect]
  • [VIClient connectWithConnectivityCheck:gateways:]
• Fix: [VIClientSessionDelegate clientSessionDidDisconnect:] is invoked instead of [VIClientSessionDelegate client:sessionDidFailConnectWithError:] in some cases when the connection to the Voximplant Cloud could not be established
• Fix: VILocalVideoStream renderer renders the frames adapted to send instead of the frames captured from a video source