Update httpd

Changes:

- https://github.com/docker-library/httpd/commit/1704320: Merge pull request https://github.com/docker-library/httpd/pull/134 from infosiftr/brotli
- https://github.com/docker-library/httpd/commit/54508dd: Add libs to Alpine for mod_md
- https://github.com/docker-library/httpd/commit/476e800: Add missing libs for debian

library/httpd

@@ -6,10 +6,10 @@ GitRepo: https://github.com/docker-library/httpd.git
 
 Tags: 2.4.39, 2.4, 2, latest
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 75e85910d1d9954ea0709960c61517376fc9b254
+GitCommit: 476e8005868e3f72730d34334fd8cc2262819220
 Directory: 2.4
 
 Tags: 2.4.39-alpine, 2.4-alpine, 2-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 75e85910d1d9954ea0709960c61517376fc9b254
+GitCommit: 54508dd1affbbc88aaabc94669ce71b400fefc55
 Directory: 2.4/alpine