Update bash

Changes:

- https://github.com/tianon/docker-bash/commit/246fc8d: Update 5.2-rc to 5.2-rc4

library/bash

@@ -8,9 +8,9 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: f8d9df3c45ab07258226607c5911b6a5a61c3d9d
 Directory: devel
 
-Tags: 5.2-rc3, 5.2-rc, rc, 5.2-rc3-alpine3.15, 5.2-rc-alpine3.15, rc-alpine3.15
+Tags: 5.2-rc4, 5.2-rc, rc, 5.2-rc4-alpine3.15, 5.2-rc-alpine3.15, rc-alpine3.15
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 9eeffdc2e61ab85d512c32eeb63b4bc7983f6f25
+GitCommit: 246fc8de9c9c577c82d7e1310d96e69f928fff7c
 Directory: 5.2-rc
 
 Tags: 5.1.16, 5.1, 5, latest, 5.1.16-alpine3.15, 5.1-alpine3.15, 5-alpine3.15, alpine3.15