Update haproxy

Changes:

- https://github.com/docker-library/haproxy/commit/51a7b0f: Merge pull request https://github.com/docker-library/haproxy/pull/190 from TimWolla/2.3-eol
- https://github.com/docker-library/haproxy/commit/33b796e: Remove EOL 2.3

library/haproxy

@@ -44,16 +44,6 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: d8a314a8b07f41e256995557e348800560543c93
 Directory: 2.4/alpine
 
-Tags: 2.3.21, 2.3, 2.3.21-bullseye, 2.3-bullseye
-Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 19765b90c04eeaa485ba7a4b4e9e4fa61ef10fd7
-Directory: 2.3
-
-Tags: 2.3.21-alpine, 2.3-alpine, 2.3.21-alpine3.16, 2.3-alpine3.16
-Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 19765b90c04eeaa485ba7a4b4e9e4fa61ef10fd7
-Directory: 2.3/alpine
-
 Tags: 2.2.25, 2.2, 2.2.25-bullseye, 2.2-bullseye
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
 GitCommit: 241d8833cfd3498f40cbd733c4fa7bc53d46f5c7