Update docker

Changes:

- https://github.com/docker-library/docker/commit/7cbf400: Update to 19.03.2-rc1
- https://github.com/docker-library/docker/commit/a3f6a13: Update to 18.09.9-rc1

library/docker

@@ -4,22 +4,22 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/docker.git
 
-Tags: 19.03.2-beta1, 19.03-rc, rc, test
+Tags: 19.03.2-rc1, 19.03-rc, rc, test
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: e8467c2f07da53390fb06b17c56fbcf87522d8f5
+GitCommit: 7cbf400bd054450f47eff0001a73744bcfc6f349
 Directory: 19.03-rc
 
-Tags: 19.03.2-beta1-dind, 19.03-rc-dind, rc-dind, test-dind
+Tags: 19.03.2-rc1-dind, 19.03-rc-dind, rc-dind, test-dind
 Architectures: amd64, arm32v6, arm32v7, arm64v8
 GitCommit: 92d278e671f32a9ee4a3c0668e46a41f4a3b74b0
 Directory: 19.03-rc/dind
 
-Tags: 19.03.2-beta1-dind-rootless, 19.03-rc-dind-rootless, rc-dind-rootless, test-dind-rootless
+Tags: 19.03.2-rc1-dind-rootless, 19.03-rc-dind-rootless, rc-dind-rootless, test-dind-rootless
 Architectures: amd64
 GitCommit: c01ffa41486f70c34f020c769bc5bddf106367ea
 Directory: 19.03-rc/dind-rootless
 
-Tags: 19.03.2-beta1-git, 19.03-rc-git, rc-git, test-git
+Tags: 19.03.2-rc1-git, 19.03-rc-git, rc-git, test-git
 Architectures: amd64, arm32v6, arm32v7, arm64v8
 GitCommit: 98ffef81ebfa7601a9ed2f0bf56d78f426bf253c
 Directory: 19.03-rc/git
@@ -44,17 +44,17 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8
 GitCommit: 4975dca2dd357705c5613045348402ab664ccdf0
 Directory: 19.03/git
 
-Tags: 18.09.9-beta1, 18.09-rc
+Tags: 18.09.9-rc1, 18.09-rc
 Architectures: amd64, arm32v6, arm32v7, arm64v8
-GitCommit: 1dc473d09158fb4752e1176f4ef26e1fcb6e2ad4
+GitCommit: a3f6a1391bb548d59c2f53beba88ffef925025f0
 Directory: 18.09-rc
 
-Tags: 18.09.9-beta1-dind, 18.09-rc-dind
+Tags: 18.09.9-rc1-dind, 18.09-rc-dind
 Architectures: amd64, arm32v6, arm32v7, arm64v8
 GitCommit: 92d278e671f32a9ee4a3c0668e46a41f4a3b74b0
 Directory: 18.09-rc/dind
 
-Tags: 18.09.9-beta1-git, 18.09-rc-git
+Tags: 18.09.9-rc1-git, 18.09-rc-git
 Architectures: amd64, arm32v6, arm32v7, arm64v8
 GitCommit: 341e19641e58cccff1453653425fc56c07e8944d
 Directory: 18.09-rc/git