Like with msquic and ngtcp2, propose a pr to enable quiche:
https://github.com/cloudflare/quiche
to be built with openssl as a TLS backend

• Get Quiche client working with OpenSSL backend instead of BoringSSL backend
• Get Quiche server working with OpenSSL backend instead of BoringSSL backend
• Ensure QUIC interop runner passes all the same tests with both BoringSSL+OpenSSL backend
• Get their cargo test tests passing
• Open and merge PR to https://github.com/cloudflare/quiche

Some notes:

• I don't think we can/want to support 0-RTT yet
• Quiche "supports" QuicTLS, but that was a long time ago and attempting to use QuicTLS as the TLS backend doesn't seem to compile/work anymore