QUIC Support

**Describe the solution you'd like**
COT messages transported over the [QUIC](https://medium.com/@f_yuki/quic-is-now-available-for-ios15-bidirectional-stream-with-ios-and-quic-go-7b9178b7b4da) protocol

**Additional context**
iOS 15 on supports the QUIC format (see [developer documentation](https://developer.apple.com/documentation/network/quic_options))
