Update docker

Changes:

- https://github.com/docker-library/docker/commit/252695b: Update to 19.03.1

library/docker

@@ -4,17 +4,17 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/docker.git
 
-Tags: 19.03.0, 19.03, 19, stable, test, latest
+Tags: 19.03.1, 19.03, 19, stable, test, latest
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: 4975dca2dd357705c5613045348402ab664ccdf0
+GitCommit: 252695b88bf6c0e2914ca20b1f00a2ad0a2bfef3
 Directory: 19.03
 
-Tags: 19.03.0-dind, 19.03-dind, 19-dind, stable-dind, test-dind, dind
+Tags: 19.03.1-dind, 19.03-dind, 19-dind, stable-dind, test-dind, dind
 Architectures: amd64, arm32v6, arm32v7, arm64v8
 GitCommit: 306841553919fba3de31766c2ba44b9e2cc5e2ec
 Directory: 19.03/dind
 
-Tags: 19.03.0-git, 19.03-git, 19-git, stable-git, test-git, git
+Tags: 19.03.1-git, 19.03-git, 19-git, stable-git, test-git, git
 Architectures: amd64, arm32v6, arm32v7, arm64v8
 GitCommit: 4975dca2dd357705c5613045348402ab664ccdf0
 Directory: 19.03/git