Update docker

Changes:

- https://github.com/docker-library/docker/commit/16d77b9: Update 20.10 to 20.10.12

library/docker

@@ -4,29 +4,29 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/docker.git
 
-Tags: 20.10.11, 20.10, 20, latest, 20.10.11-alpine3.14
+Tags: 20.10.12, 20.10, 20, latest, 20.10.12-alpine3.14
 Architectures: amd64, arm64v8
-GitCommit: 5c42a7382f317ef94c16eb264ff9337ef4b9a260
+GitCommit: 16d77b9b3258873b79b8c997d5e2b90c5533b85e
 Directory: 20.10
 
-Tags: 20.10.11-dind, 20.10-dind, 20-dind, dind, 20.10.11-dind-alpine3.14
+Tags: 20.10.12-dind, 20.10-dind, 20-dind, dind, 20.10.12-dind-alpine3.14
 Architectures: amd64, arm64v8
 GitCommit: 8baa881aab85f8398d2edbbcc0da4bd1f556dd98
 Directory: 20.10/dind
 
-Tags: 20.10.11-dind-rootless, 20.10-dind-rootless, 20-dind-rootless, dind-rootless
+Tags: 20.10.12-dind-rootless, 20.10-dind-rootless, 20-dind-rootless, dind-rootless
 Architectures: amd64, arm64v8
-GitCommit: 5c42a7382f317ef94c16eb264ff9337ef4b9a260
+GitCommit: 16d77b9b3258873b79b8c997d5e2b90c5533b85e
 Directory: 20.10/dind-rootless
 
-Tags: 20.10.11-git, 20.10-git, 20-git, git
+Tags: 20.10.12-git, 20.10-git, 20-git, git
 Architectures: amd64, arm64v8
 GitCommit: 387e351394bfad74bceebf8303c6c8e39c3d4ed4
 Directory: 20.10/git
 
-Tags: 20.10.11-windowsservercore-1809, 20.10-windowsservercore-1809, 20-windowsservercore-1809, windowsservercore-1809
-SharedTags: 20.10.11-windowsservercore, 20.10-windowsservercore, 20-windowsservercore, windowsservercore
+Tags: 20.10.12-windowsservercore-1809, 20.10-windowsservercore-1809, 20-windowsservercore-1809, windowsservercore-1809
+SharedTags: 20.10.12-windowsservercore, 20.10-windowsservercore, 20-windowsservercore, windowsservercore
 Architectures: windows-amd64
-GitCommit: 5c42a7382f317ef94c16eb264ff9337ef4b9a260
+GitCommit: 16d77b9b3258873b79b8c997d5e2b90c5533b85e
 Directory: 20.10/windows/windowsservercore-1809
 Constraints: windowsservercore-1809