Update haproxy

Changes:

- https://github.com/docker-library/haproxy/commit/ac5bde7: Update 2.4-rc to 2.4-dev19

library/haproxy

@@ -4,14 +4,14 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/haproxy.git
 
-Tags: 2.4-dev18, 2.4-dev
+Tags: 2.4-dev19, 2.4-dev
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 7994bf8e4a0d6e28e1997a23c4c3aaefee9eb298
+GitCommit: ac5bde7aa48b02c971cfc27b862e428d4c223c09
 Directory: 2.4-rc
 
-Tags: 2.4-dev18-alpine, 2.4-dev-alpine
+Tags: 2.4-dev19-alpine, 2.4-dev-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 7994bf8e4a0d6e28e1997a23c4c3aaefee9eb298
+GitCommit: ac5bde7aa48b02c971cfc27b862e428d4c223c09
 Directory: 2.4-rc/alpine
 
 Tags: 2.3.10, 2.3, latest