Update haproxy

[tianon]

Changes:

• docker-library/haproxy@e588493: Update to 2.2-dev7
• docker-library/haproxy@14c229d: Merge pull request Add initial GitHub Actions CI haproxy#113 from docker-library/github-actions
• docker-library/haproxy@ff672fd: Add initial GitHub Actions CI

[github-actions]

Diff for a20320e:

diff --git a/_bashbrew-list b/_bashbrew-list
index ee52934..0697047 100644
--- a/_bashbrew-list
+++ b/_bashbrew-list
@@ -24,8 +24,8 @@ haproxy:2.1
 haproxy:2.1-alpine
 haproxy:2.1.4
 haproxy:2.1.4-alpine
-haproxy:2.2-dev6
-haproxy:2.2-dev6-alpine
+haproxy:2.2-dev7
+haproxy:2.2-dev7-alpine
 haproxy:2.2-rc
 haproxy:2.2-rc-alpine
 haproxy:alpine
diff --git a/haproxy_2.2-rc-alpine/Dockerfile b/haproxy_2.2-rc-alpine/Dockerfile
index 139b70c..b7b801a 100644
--- a/haproxy_2.2-rc-alpine/Dockerfile
+++ b/haproxy_2.2-rc-alpine/Dockerfile
@@ -1,9 +1,9 @@
 # vim:set ft=dockerfile:
 FROM alpine:3.11
 
-ENV HAPROXY_VERSION 2.2-dev6
-ENV HAPROXY_URL https://www.haproxy.org/download/2.2/src/devel/haproxy-2.2-dev6.tar.gz
-ENV HAPROXY_SHA256 777f6312671c3c7e9c32bcb4f8ae9f487f2311b8d5a8d1b1cef98833f45968ee
+ENV HAPROXY_VERSION 2.2-dev7
+ENV HAPROXY_URL https://www.haproxy.org/download/2.2/src/devel/haproxy-2.2-dev7.tar.gz
+ENV HAPROXY_SHA256 b81f0feaa91ab7568b3378b3a3651419be29d91afef122dbf5aef96b2a25d971
 
 # see https://sources.debian.net/src/haproxy/jessie/debian/rules/ for some helpful navigation of the possible "make" arguments
 RUN set -x \
diff --git a/haproxy_2.2-rc/Dockerfile b/haproxy_2.2-rc/Dockerfile
index 9ca6d72..1ea0996 100644
--- a/haproxy_2.2-rc/Dockerfile
+++ b/haproxy_2.2-rc/Dockerfile
@@ -1,9 +1,9 @@
 # vim:set ft=dockerfile:
 FROM debian:buster-slim
 
-ENV HAPROXY_VERSION 2.2-dev6
-ENV HAPROXY_URL https://www.haproxy.org/download/2.2/src/devel/haproxy-2.2-dev6.tar.gz
-ENV HAPROXY_SHA256 777f6312671c3c7e9c32bcb4f8ae9f487f2311b8d5a8d1b1cef98833f45968ee
+ENV HAPROXY_VERSION 2.2-dev7
+ENV HAPROXY_URL https://www.haproxy.org/download/2.2/src/devel/haproxy-2.2-dev7.tar.gz
+ENV HAPROXY_SHA256 b81f0feaa91ab7568b3378b3a3651419be29d91afef122dbf5aef96b2a25d971
 
 # see https://sources.debian.net/src/haproxy/jessie/debian/rules/ for some helpful navigation of the possible "make" arguments
 RUN set -x \