Release 2.73.0 · apple/swift-nio

What's Changed

Make ByteBuffer's description more useful by @supersonicbyte in #2864
Expose UDP_MAX_SEGMENTS via System by @rnro in #2891
Add new ChannelOption to get the amount of buffered outbound data in the Channel by @johnnzhou in #2849
Add an AcceptBackoffHandler to the async server bootstraps by @FranzBusch in #2782

Adding a nicer description for WebSocketFrame by @supersonicbyte in #2862
Improving description and adding debugDescription to NIOAny by @supersonicbyte in #2866
Make FileChunk sendable by @ali-ahsan-ali in #2871
Make ByteBuffer.debugDescription suitable for structural display by @dnadoba in #2495
Add support for WASILibc by @MaxDesiatov in #2671
NIOSingleStepByteToMessageDecoder reentrancy safety by @rnro in #2881
Adopt NIOThrowingAsyncSequenceProducer by @rnro in #2879
Clamp buffer to maximum upon large write operation by @ali-ahsan-ali in #2745
Revert "Adopt NIOThrowingAsyncSequenceProducer (#2879)" by @rnro in #2892
Add concrete description for EmbeddedEventLoop by @aryan-25 in #2890
Conditionally include linux/udp.h by @rnro in #2894
Work around a type checking error when using the Static Linux SDK by @euanh in #2898

[CI] Run tests on push to main by @FranzBusch in #2868
[CI] License header support .in and .cmake files by @FranzBusch in #2870
Include nanoseconds in assertion of timestamp for NIOFileSystem tests by @gjcairo in #2869
Correct the link of sswg-security at SECURITY.md by @lamtrinhdev in #2872
Speculative fix for flakey AsyncTestingEventLoop test by @simonjbeaumont in #2873
ci: Install shellcheck if not present in CI runner by @simonjbeaumont in #2882
ci: Use ${GITHUB_BASE_REF} as treeish for checking API break by @simonjbeaumont in #2883
ci: Refer to nested reusable workflows using remote variant by @simonjbeaumont in #2884
[CI] Fix pull request label workflow by @FranzBusch in #2885

Full Changelog: 2.72.0...2.73.0