Update httpd

Changes:

- https://github.com/docker-library/httpd/commit/a0760d0: Merge pull request https://github.com/docker-library/httpd/pull/208 from J0WI/alpine-3.15
- https://github.com/docker-library/httpd/commit/444663e: Alpine 3.15

library/httpd

@@ -1,4 +1,4 @@
-# this file is generated via https://github.com/docker-library/httpd/blob/cab17d54f9e0070c672326a555996d94922b486e/generate-stackbrew-library.sh
+# this file is generated via https://github.com/docker-library/httpd/blob/444663e2aea781b11c165219697d5621fe5d1a95/generate-stackbrew-library.sh
 
 Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
@@ -9,7 +9,7 @@ Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
 GitCommit: cd9f3170df90ef341c9c27fb4d17ffccd60b4ac0
 Directory: 2.4
 
-Tags: 2.4.51-alpine, 2.4-alpine, 2-alpine, alpine, 2.4.51-alpine3.14, 2.4-alpine3.14, 2-alpine3.14, alpine3.14
+Tags: 2.4.51-alpine, 2.4-alpine, 2-alpine, alpine, 2.4.51-alpine3.15, 2.4-alpine3.15, 2-alpine3.15, alpine3.15
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 0ea87f3ee87fff6c7550763710ea2693c22f3966
+GitCommit: 444663e2aea781b11c165219697d5621fe5d1a95
 Directory: 2.4/alpine