Merge pull request #8006 from hashicorp/consul-v1.8.0-beta1

Add the Consul 1.8.0-beta1 image

library/consul

@@ -1,5 +1,11 @@
 Maintainers: Consul Team <[email protected]> (@hashicorp/consul)
 
+Tags: 1.8.0-beta1
+Architectures: amd64, arm32v6, arm64v8, i386
+GitRepo: https://github.com/hashicorp/docker-consul.git
+GitCommit: 6966b401fd8015b87c01949c0baaafb36c9d3b50
+Directory: 0.X
+
 Tags: 1.7.3, 1.7, latest 
 Architectures: amd64, arm32v6, arm64v8, i386
 GitRepo: https://github.com/hashicorp/docker-consul.git
@@ -9,6 +15,5 @@ Directory: 0.X
 Tags: 1.6.5, 1.6
 Architectures: amd64, arm32v6, arm64v8, i386
 GitRepo: https://github.com/hashicorp/docker-consul.git
-GitFetch: refs/heads/consul-1.6.5
 GitCommit: 5fdce521f44a1cd56d3f5fb92e5732f2ae516d3e
 Directory: 0.X