Bump github.com/gorilla/websocket from 1.4.1 to 1.4.2 (#27)

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[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -5,7 +5,7 @@ require (
 	github.com/golang/mock v1.4.3
 	github.com/golang/protobuf v1.4.2
 	github.com/google/go-cmp v0.4.0
-	github.com/gorilla/websocket v1.4.1
+	github.com/gorilla/websocket v1.4.2
 	github.com/miekg/dns v1.1.4
 	github.com/refraction-networking/utls v0.0.0-20190909200633-43c36d3c1f57
 	github.com/seiflotfy/cuckoofilter v0.0.0-20200511222245-56093a4d3841

go.sum

@@ -32,6 +32,8 @@ github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 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/miekg/dns v1.1.4 h1:rCMZsU2ScVSYcAsOXgmC6+AKOK+6pmQTOcw03nfwYV0=
 github.com/miekg/dns v1.1.4/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=