quinn-udp 0.5.6

What's Changed

• bench(udp): run GSO, GRO and recvmmsg permutations by @mxinden in #2010
• feat: Faster UDP/IO on Apple platforms by @larseggert in #1993
• feat: introduce UdpSocketState::try_send APIs by @thomaseizinger in #2017
• feat(quinn-udp): support both windows-sys v0.52 and v0.59 by @mxinden in #2021
• chore(quinn-udp): increase crate patch version to v0.5.6 by @mxinden in #2022
• Add visionOS support by @rofferom in #2000