Bump github.com/gorilla/websocket from 1.4.1 to 1.4.2

Bumps [github.com/gorilla/websocket](https://github.com/gorilla/websocket) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/gorilla/websocket/releases)
- [Commits](https://github.com/gorilla/websocket/compare/v1.4.1...v1.4.2)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

 module github.com/libp2p/go-ws-transport
 
 require (
-	github.com/gorilla/websocket v1.4.1
+	github.com/gorilla/websocket v1.4.2
 	github.com/libp2p/go-libp2p-core v0.3.1
 	github.com/libp2p/go-libp2p-mplex v0.2.1
 	github.com/libp2p/go-libp2p-testing v0.1.1

go.sum

@@ -41,6 +41,8 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
 github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gxed/hashland/keccakpg v0.0.1 h1:wrk3uMNaMxbXiHibbPO4S0ymqJMm41WiudyFSs7UnsU=
 github.com/gxed/hashland/keccakpg v0.0.1/go.mod h1:kRzw3HkwxFU1mpmPP8v1WyQzwdGfmKFJ6tItnhQ67kU=
 github.com/gxed/hashland/murmur3 v0.0.1 h1:SheiaIt0sda5K+8FLz952/1iWS9zrnKsEJaOJu4ZbSc=