Update bash

Changes:

- tianon/docker-bash@b8c645d: Update 5.3-rc to 5.3-rc2

Author: docker-library-bot

library/bash

@@ -8,9 +8,9 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, riscv64, s390x
 GitCommit: feb2be0730930f6ea37410f51ea2d34ad153abbf
 Directory: devel
 
-Tags: 5.3-rc1, 5.3-rc, rc, 5.3-rc1-alpine3.22, 5.3-rc-alpine3.22, rc-alpine3.22
+Tags: 5.3-rc2, 5.3-rc, rc, 5.3-rc2-alpine3.22, 5.3-rc-alpine3.22, rc-alpine3.22
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, riscv64, s390x
-GitCommit: a36b0edc8a5fe8a5bc071852a0022377f26948d1
+GitCommit: b8c645d094186ccdca78c724ed020a27588b253b
 Directory: 5.3-rc
 
 Tags: 5.2.37, 5.2, 5, latest, 5.2.37-alpine3.22, 5.2-alpine3.22, 5-alpine3.22, alpine3.22