chore: Bump github.com/golang/mock from 1.4.3 to 1.4.4 (#94)

Bumps [github.com/golang/mock](https://github.com/golang/mock) from 1.4.3 to 1.4.4.
- [Release notes](https://github.com/golang/mock/releases)
- [Changelog](https://github.com/golang/mock/blob/master/.goreleaser.yml)
- [Commits](golang/mock@v1.4.3...v1.4.4)

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Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/containers/image/v5 v5.5.1
 	github.com/dsnet/compress v0.0.1 // indirect
 	github.com/frankban/quicktest v1.7.2 // indirect
-	github.com/golang/mock v1.4.3
+	github.com/golang/mock v1.4.4
 	github.com/golang/snappy v0.0.1 // indirect
 	github.com/mattn/go-zglob v0.0.3
 	github.com/mholt/archiver v3.1.1+incompatible

go.sum

@@ -84,6 +84,8 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 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/mock v1.4.4 h1:l75CXGRSwbaYNpl/Z2X1XIIAMSCquvXgpVZDhwEIJsc=
+github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
 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=