Bump github.com/docker/docker (#942)

Bumps [github.com/docker/docker](https://github.com/docker/docker) from 20.10.20+incompatible to 20.10.21+incompatible.
- [Release notes](https://github.com/docker/docker/releases)
- [Changelog](https://github.com/moby/moby/blob/master/CHANGELOG.md)
- [Commits](moby/moby@v20.10.20...v20.10.21)

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

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

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

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/buildpacks/imgutil v0.0.0-20221021152825-caf937b72cf0
 	github.com/chrismellard/docker-credential-acr-env v0.0.0-20221002210726-e883f69e0206
 	github.com/containerd/containerd v1.6.8
-	github.com/docker/docker v20.10.20+incompatible
+	github.com/docker/docker v20.10.21+incompatible
 	github.com/golang/mock v1.6.0
 	github.com/google/go-cmp v0.5.9
 	github.com/google/go-containerregistry v0.12.0

go.sum

@@ -413,8 +413,8 @@ github.com/docker/docker v1.4.2-0.20180531152204-71cd53e4a197/go.mod h1:eEKB0N0r
 github.com/docker/docker v1.4.2-0.20190924003213-a8608b5b67c7/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker v17.12.0-ce-rc1.0.20200730172259-9f28837c1d93+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker v20.10.0-beta1.0.20201110211921-af34b94a78a1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
-github.com/docker/docker v20.10.20+incompatible h1:kH9tx6XO+359d+iAkumyKDc5Q1kOwPuAUaeri48nD6E=
-github.com/docker/docker v20.10.20+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v20.10.21+incompatible h1:UTLdBmHk3bEY+w8qeO5KttOhy6OmXWsl/FEet9Uswog=
+github.com/docker/docker v20.10.21+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker-credential-helpers v0.6.3/go.mod h1:WRaJzqw3CTB9bk10avuGsjVBZsD05qeibJ1/TYlvc0Y=
 github.com/docker/docker-credential-helpers v0.7.0 h1:xtCHsjxogADNZcdv1pKUHXryefjlVRqWqIhk/uXJp0A=
 github.com/docker/docker-credential-helpers v0.7.0/go.mod h1:rETQfLdHNT3foU5kuNkFR1R1V12OJRRO5lzt2D1b5X0=