Bump github.com/google/go-cmp from 0.5.0 to 0.5.1

Bumps [github.com/google/go-cmp](https://github.com/google/go-cmp) from 0.5.0 to 0.5.1.
- [Release notes](https://github.com/google/go-cmp/releases)
- [Commits](https://github.com/google/go-cmp/compare/v0.5.0...v0.5.1)

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -4,7 +4,7 @@ require (
 	github.com/dgryski/go-metro v0.0.0-20180109044635-280f6062b5bc // indirect
 	github.com/golang/mock v1.4.3
 	github.com/golang/protobuf v1.4.2
-	github.com/google/go-cmp v0.5.0
+	github.com/google/go-cmp v0.5.1
 	github.com/gorilla/websocket v1.4.2
 	github.com/miekg/dns v1.1.30
 	github.com/seiflotfy/cuckoofilter v0.0.0-20200511222245-56093a4d3841

go.sum

@@ -38,6 +38,8 @@ 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/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.1 h1:JFrFEBb2xKufg6XkJsJr+WbKb4FQlURi5RUcBveYu9k=
+github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 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/h12w/go-socks5 v0.0.0-20200522160539-76189e178364 h1:5XxdakFhqd9dnXoAZy1Mb2R/DZ6D1e+0bGC/JhucGYI=