Update httpd

[tianon]

Changes:

• docker-library/httpd@6f891de: Merge pull request Upgrade Alpine to 3.12 httpd#161 from J0WI/alpine-3.12
• docker-library/httpd@b52f30b: Upgrade Alpine to 3.12
• docker-library/httpd@1f4f797: Merge pull request Add initial GitHub Actions CI httpd#159 from docker-library/github-actions
• docker-library/httpd@13a3f77: Add initial GitHub Actions CI

[github-actions]

Diff for 5020c33:

diff --git a/_bashbrew-cat b/_bashbrew-cat
index 48ca041..df69c05 100644
--- a/_bashbrew-cat
+++ b/_bashbrew-cat
@@ -8,5 +8,5 @@ Directory: 2.4
 
 Tags: 2.4.43-alpine, 2.4-alpine, 2-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 6c8e82e20ecefc94c616439f15d14c4bb215b200
+GitCommit: b52f30b211a0e127d498ce7ecbcbb31e6336cff2
 Directory: 2.4/alpine
diff --git a/httpd_alpine/Dockerfile b/httpd_alpine/Dockerfile
index c3a0ef0..bb86fff 100644
--- a/httpd_alpine/Dockerfile
+++ b/httpd_alpine/Dockerfile
@@ -1,13 +1,13 @@
-FROM alpine:3.11
+FROM alpine:3.12
 
 # ensure www-data user exists
 RUN set -x \
 	&& addgroup -g 82 -S www-data \
 	&& adduser -u 82 -D -S -G www-data www-data
 # 82 is the standard uid/gid for "www-data" in Alpine
-# https://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.8.1
-# https://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.8.1
-# https://git.alpinelinux.org/cgit/aports/tree/main/nginx/nginx.pre-install?h=v3.8.1
+# https://git.alpinelinux.org/cgit/aports/tree/main/apache2/apache2.pre-install?h=v3.12.0
+# https://git.alpinelinux.org/cgit/aports/tree/main/lighttpd/lighttpd.pre-install?h=v3.12.0
+# https://git.alpinelinux.org/cgit/aports/tree/main/nginx/nginx.pre-install?h=v3.12.0
 
 ENV HTTPD_PREFIX /usr/local/apache2
 ENV PATH $HTTPD_PREFIX/bin:$PATH