Bump github.com/docker/docker

Bumps [github.com/docker/docker](https://github.com/docker/docker) from 20.10.7+incompatible to 20.10.8+incompatible.
- [Release notes](https://github.com/docker/docker/releases)
- [Changelog](https://github.com/moby/moby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/docker/docker/compare/v20.10.7...v20.10.8)

---
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>

vendor/github.com/docker/docker/api/swagger.yaml

@@ -5583,12 +5583,12 @@ paths:
           schema:
             $ref: "#/definitions/ErrorResponse"
         404:
-          description: "no such container"
+          description: "no such image"
           schema:
             $ref: "#/definitions/ErrorResponse"
           examples:
             application/json:
-              message: "No such container: c2ada9df5af8"
+              message: "No such image: c2ada9df5af8"
         409:
           description: "conflict"
           schema: