Update bash

Changes:

- https://github.com/tianon/docker-bash/commit/d3bd18d: Update to commit 6dc203b86571ef8434ad07305f0dd8c3811a21c5
- https://github.com/tianon/docker-bash/commit/0164b41: Update to commit 7a257517b79d6652035e8e7b430cf21b38664e9e

library/bash

@@ -3,9 +3,9 @@
 Maintainers: Tianon Gravi <[email protected]> (@tianon)
 GitRepo: https://github.com/tianon/docker-bash.git
 
-Tags: devel-20200805, devel
+Tags: devel-20200812, devel
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3fe7084872fed1e5026808870293a288e55e7a72
+GitCommit: d3bd18d5a38cb34c4fee3f079f4904cca2127ef2
 Directory: devel
 
 Tags: 5.1-alpha, 5.1-rc, rc