Update docker

Changes:

- https://github.com/docker-library/docker/commit/a7acc6e: Update 20.10 to compose 2.5.1

library/docker

@@ -6,7 +6,7 @@ GitRepo: https://github.com/docker-library/docker.git
 
 Tags: 20.10.16, 20.10, 20, latest, 20.10.16-alpine3.15
 Architectures: amd64, arm64v8
-GitCommit: ca257b920303ae46cff2a8399471318ad48d67b4
+GitCommit: a7acc6e87f40924ac499415ba8f48b15208937ff
 Directory: 20.10
 
 Tags: 20.10.16-dind, 20.10-dind, 20-dind, dind, 20.10.16-dind-alpine3.15