Update bash

Changes:

- https://github.com/tianon/docker-bash/commit/cb26ef9: Update 5.2 to 5.2.15, patch 15

library/bash

@@ -8,9 +8,9 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: 30c2b1e863f586b9019cdb612e9b0121552ef29c
 Directory: devel
 
-Tags: 5.2.12, 5.2, 5, latest, 5.2.12-alpine3.16, 5.2-alpine3.16, 5-alpine3.16, alpine3.16
+Tags: 5.2.15, 5.2, 5, latest, 5.2.15-alpine3.16, 5.2-alpine3.16, 5-alpine3.16, alpine3.16
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: aa0fd0b81bc7e5402c9289bef993e27b34a423d8
+GitCommit: cb26ef95b253f1bd736824c8e88d86e9dcadfa5e
 Directory: 5.2
 
 Tags: 5.1.16, 5.1, 5.1.16-alpine3.16, 5.1-alpine3.16