v1.5.1-rc.5

• 5c30756 feat: upgrade fasthttp to v1.38.0 (Sergio VS)

• 77c751b Merge branch 'master' of https://github.com/gorilla/websocket (Sergio VS)

• Gorilla/websocket

  • af47554 check error before GotConn for trace (Ye Sijun)
  • bc7ce89 Check for and report bad protocol in TLSClientConfig.NextProtos (#788) (Chan Kang)
  • 27d91a9 drop the versions of go that are no longer supported + add 1.18 to ci (Chan Kang)