Update haproxy

Changes:

- https://github.com/docker-library/haproxy/commit/600c087: Merge pull request https://github.com/docker-library/haproxy/pull/101 from J0WI/no-network
- https://github.com/docker-library/haproxy/commit/04dc3c4: Update generated README
- https://github.com/docker-library/haproxy/commit/af7ea81: Add "--no-network" to apk add invocations

library/haproxy

@@ -11,7 +11,7 @@ Directory: 2.0
 
 Tags: 2.0.5-alpine, 2.0-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: c6235dddf03c8ee0cbc998904bb4dd3899cd37bb
+GitCommit: af7ea81960c11b73b8a328e65f97df62a389cd10
 Directory: 2.0/alpine
 
 Tags: 1.9.10, 1.9, 1
@@ -21,7 +21,7 @@ Directory: 1.9
 
 Tags: 1.9.10-alpine, 1.9-alpine, 1-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 9efd6eb655c9ce87ccf6b84a68f2b4e647fff706
+GitCommit: af7ea81960c11b73b8a328e65f97df62a389cd10
 Directory: 1.9/alpine
 
 Tags: 1.8.21, 1.8
@@ -31,7 +31,7 @@ Directory: 1.8
 
 Tags: 1.8.21-alpine, 1.8-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3dbb06aa772a093dab4b88660f8470a4f28de310
+GitCommit: af7ea81960c11b73b8a328e65f97df62a389cd10
 Directory: 1.8/alpine
 
 Tags: 1.7.11, 1.7
@@ -41,7 +41,7 @@ Directory: 1.7
 
 Tags: 1.7.11-alpine, 1.7-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: d21ad4557dd2ea46cba1f05a75dcd39ee42c5c56
+GitCommit: af7ea81960c11b73b8a328e65f97df62a389cd10
 Directory: 1.7/alpine
 
 Tags: 1.6.14, 1.6
@@ -51,7 +51,7 @@ Directory: 1.6
 
 Tags: 1.6.14-alpine, 1.6-alpine
 Architectures: amd64, arm32v6, arm64v8, i386, ppc64le, s390x
-GitCommit: d21ad4557dd2ea46cba1f05a75dcd39ee42c5c56
+GitCommit: af7ea81960c11b73b8a328e65f97df62a389cd10
 Directory: 1.6/alpine
 
 Tags: 1.5.19, 1.5
@@ -61,5 +61,5 @@ Directory: 1.5
 
 Tags: 1.5.19-alpine, 1.5-alpine
 Architectures: amd64, arm32v6, arm64v8, i386, ppc64le, s390x
-GitCommit: d21ad4557dd2ea46cba1f05a75dcd39ee42c5c56
+GitCommit: af7ea81960c11b73b8a328e65f97df62a389cd10
 Directory: 1.5/alpine