build(deps): bump github.com/golang/mock from 1.4.0 to 1.4.1

Bumps [github.com/golang/mock](https://github.com/golang/mock) from 1.4.0 to 1.4.1.
- [Release notes](https://github.com/golang/mock/releases)
- [Changelog](https://github.com/golang/mock/blob/master/.goreleaser.yml)
- [Commits](golang/mock@v1.4.0...v1.4.1)

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

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b
 	github.com/dgraph-io/ristretto v0.0.0-20191010170704-2ba187ef9534
 	github.com/go-redis/redis/v7 v7.2.0
-	github.com/golang/mock v1.4.0
+	github.com/golang/mock v1.4.1
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/prometheus/client_golang v1.4.1
 	github.com/stretchr/testify v1.5.1

go.sum

@@ -47,6 +47,8 @@ github.com/golang/mock v1.3.1 h1:qGJ6qTW+x6xX/my+8YUVl4WNpX9B7+/l2tRsHGZ7f2s=
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
 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/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=