alpine: bump 3.21.3

Author: ncopa

library/alpine

@@ -14,10 +14,10 @@ s390x-Directory: s390x/
 i386-Directory: x86/
 amd64-Directory: x86_64/
 
-Tags: 3.21.2, 3.21, 3, latest
+Tags: 3.21.3, 3.21, 3, latest
 Architectures: arm64v8, arm32v6, arm32v7, ppc64le, riscv64, s390x, i386, amd64
 GitFetch: refs/heads/v3.21
-GitCommit: 28413e472a7192492de374a257c33d2802ba163d
+GitCommit: 17fe3d1e2d2cbf54d745139eab749c252e35b883
 arm64v8-Directory: aarch64/
 arm32v6-Directory: armhf/
 arm32v7-Directory: armv7/