Bump github.com/docker/distribution

Bumps [github.com/docker/distribution](https://github.com/docker/distribution) from 0.0.0-20200319173657-742aab907b54 to 2.8.2-beta.1+incompatible.
- [Release notes](https://github.com/docker/distribution/releases)
- [Commits](https://github.com/docker/distribution/commits/v2.8.2-beta.1)

---
updated-dependencies:
- dependency-name: github.com/docker/distribution
  dependency-type: indirect
...

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

go.mod

@@ -6,13 +6,16 @@ replace golang.org/x/sys => golang.org/x/sys v0.0.0-20190830141801-acfa387b8d69
 
 require (
 	code.cloudfoundry.org/bytefmt v0.0.0-20180906201452-2aa6f33b730c
-	github.com/docker/distribution v0.0.0-20200319173657-742aab907b54 // indirect
+	github.com/docker/distribution v2.8.2-beta.1+incompatible // indirect
 	github.com/docker/docker v1.4.2-0.20190219180918-740349757396
 	github.com/fsouza/go-dockerclient v1.3.6
 	github.com/gogo/protobuf v1.2.1 // indirect
+	github.com/google/go-cmp v0.3.0 // indirect
 	github.com/google/go-containerregistry v0.0.0-20190214194807-bada66e31e55
 	github.com/google/go-github v17.0.0+incompatible
 	github.com/google/go-querystring v1.0.0 // indirect
+	github.com/gorilla/mux v1.7.2 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/nightlyone/lockfile v0.0.0-20180618180623-0ad87eef1443
@@ -24,7 +27,11 @@ require (
 	github.com/sirupsen/logrus v1.4.2
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/pflag v1.0.3
+	github.com/stretchr/testify v1.3.0 // indirect
+	golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d // indirect
+	golang.org/x/net v0.0.0-20190619014844-b5b0513f8c1b // indirect
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
 	google.golang.org/grpc v1.28.1 // indirect
+	gopkg.in/check.v1 v1.0.0-20141024133853-64131543e789 // indirect
 )