chore(deps): bump github.com/docker/cli

Bumps [github.com/docker/cli](https://github.com/docker/cli) from 20.10.7+incompatible to 20.10.8+incompatible.
- [Release notes](https://github.com/docker/cli/releases)
- [Commits](docker/cli@v20.10.7...v20.10.8)

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

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

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5
 	github.com/cenkalti/backoff/v4 v4.1.1
 	github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6
-	github.com/docker/cli v20.10.7+incompatible
+	github.com/docker/cli v20.10.8+incompatible
 	github.com/docker/docker v20.10.7+incompatible // indirect
 	github.com/docker/go-connections v0.4.0
 	github.com/docker/go-units v0.4.0

go.sum

@@ -13,8 +13,8 @@ github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/docker/cli v20.10.7+incompatible h1:pv/3NqibQKphWZiAskMzdz8w0PRbtTaEB+f6NwdU7Is=
-github.com/docker/cli v20.10.7+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
+github.com/docker/cli v20.10.8+incompatible h1:/zO/6y9IOpcehE49yMRTV9ea0nBpb8OeqSskXLNfH1E=
+github.com/docker/cli v20.10.8+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/docker v20.10.7+incompatible h1:Z6O9Nhsjv+ayUEeI1IojKbYcsGdgYSNqxe1s2MYzUhQ=
 github.com/docker/docker v20.10.7+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=