Bump github.com/golang/mock from 1.4.1 to 1.4.3

Bumps [github.com/golang/mock](https://github.com/golang/mock) from 1.4.1 to 1.4.3.
- [Release notes](https://github.com/golang/mock/releases)
- [Changelog](https://github.com/golang/mock/blob/master/.goreleaser.yml)
- [Commits](golang/mock@v1.4.1...v1.4.3)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/dsnet/compress v0.0.1 // indirect
 	github.com/frankban/quicktest v1.7.2 // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
-	github.com/golang/mock v1.4.1
+	github.com/golang/mock v1.4.3
 	github.com/golang/snappy v0.0.1 // indirect
 	github.com/gorilla/mux v1.7.3 // indirect
 	github.com/mattn/go-zglob v0.0.1

go.sum

@@ -108,6 +108,8 @@ github.com/golang/mock v1.4.0 h1:Rd1kQnQu0Hq3qvJppYSG0HtP+f5LPPUiDswTLiEegLg=
 github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.1 h1:ocYkMQY5RrXTYgXl7ICpV0IXwlEQGwKIsery4gyXa1U=
 github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.3 h1:GV+pQPG/EUUbkh47niozDcADz6go/dUwhVzdUQHIVRw=
+github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=