Update bash

Changes:

- https://github.com/tianon/docker-bash/commit/2aa32af: Update to 5.0, patch level 3

library/bash

@@ -3,9 +3,9 @@
 Maintainers: Tianon Gravi <[email protected]> (@tianon)
 GitRepo: https://github.com/tianon/docker-bash.git
 
-Tags: 5.0.2, 5.0, 5, latest
+Tags: 5.0.3, 5.0, 5, latest
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 38a2a9828a6916afcb05663fd5db950afaf4c17d
+GitCommit: 2aa32af4d0f27e8078257e59e39ebcd755379b85
 Directory: 5.0
 
 Tags: 4.4.23, 4.4, 4