Bump github.com/docker/docker (#157)

Bumps [github.com/docker/docker](https://github.com/docker/docker) from 20.10.14+incompatible to 20.10.15+incompatible.
- [Release notes](https://github.com/docker/docker/releases)
- [Changelog](https://github.com/moby/moby/blob/master/CHANGELOG.md)
- [Commits](moby/moby@v20.10.14...v20.10.15)

---
updated-dependencies:
- dependency-name: github.com/docker/docker
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/config v1.15.4
 	github.com/aws/aws-sdk-go-v2/service/ecr v1.17.4
 	github.com/aws/aws-sdk-go-v2/service/sts v1.16.4
-	github.com/docker/docker v20.10.14+incompatible
+	github.com/docker/docker v20.10.15+incompatible
 )
 
 require (
@@ -20,25 +20,20 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.4 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sso v1.11.4 // indirect
 	github.com/aws/smithy-go v1.11.2 // indirect
-	github.com/containerd/containerd v1.4.3 // indirect
 	github.com/docker/distribution v2.7.1+incompatible // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-units v0.4.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/moby/term v0.0.0-20201216013528-df9cb8a40635 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.2 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
+	github.com/stretchr/testify v1.7.0 // indirect
 	golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4 // indirect
 	golang.org/x/sys v0.0.0-20220429121018-84afa8d3f7b3 // indirect
 	golang.org/x/time v0.0.0-20220411224347-583f2d630306 // indirect
-	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
-	google.golang.org/grpc v1.46.0 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
 	gotest.tools/v3 v3.2.0 // indirect
 )