Update bash

Changes:

- https://github.com/tianon/docker-bash/commit/a8e30a5: Update 5.2 to 5.2.9, patch 9

library/bash

@@ -8,9 +8,9 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: 1a0c6dc081af2454fc92ab6cede1a194d3cec94e
 Directory: devel
 
-Tags: 5.2.2, 5.2, 5, latest, 5.2.2-alpine3.15, 5.2-alpine3.15, 5-alpine3.15, alpine3.15
+Tags: 5.2.9, 5.2, 5, latest, 5.2.9-alpine3.15, 5.2-alpine3.15, 5-alpine3.15, alpine3.15
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 659dc5b166bd13b1d3efdb0f188a6f79cfaba633
+GitCommit: a8e30a55869c1d35d2f74f1e586380eaacae6ac9
 Directory: 5.2
 
 Tags: 5.1.16, 5.1, 5.1.16-alpine3.15, 5.1-alpine3.15