Release v1.5.1

What's Changed

• Add check for Sec-WebSocket-Key header by @hirasawayuki in #752
• Changed the method name UnderlyingConn to NetConn by @JWSong in #773
• remove all versions < 1.16 and add 1.18 by @ChannyClaus in #793
• Check for and report bad protocol in TLSClientConfig.NextProtos by @ChannyClaus in #788
• check err before GotConn for trace by @junnplus in #798
• Update README.md by @coreydaley in #839
• Correct way to save memory using write buffer pool and freeing net.http default buffers by @FMLS in #761
• Update go version & add verification/testing tools by @coreydaley in #840
• update golang.org/x/net by @coreydaley in #856
• update GitHub workflows by @coreydaley in #857

New Contributors

• @hirasawayuki made their first contribution in #752
• @JWSong made their first contribution in #773
• @ChannyClaus made their first contribution in #793
• @junnplus made their first contribution in #798
• @coreydaley made their first contribution in #839
• @FMLS made their first contribution in #761

Full Changelog: v1.5.0...v1.5.1