Merge pull request #8087 from mikemorris/patch-3

consul: switch generic beta tag to 1.8.0-beta

library/consul

@@ -1,6 +1,6 @@
 Maintainers: Consul Team <[email protected]> (@hashicorp/consul)
 
-Tags: 1.8.0-beta2, beta
+Tags: 1.8.0-beta2, 1.8.0-beta
 Architectures: amd64, arm32v6, arm64v8, i386
 GitRepo: https://github.com/hashicorp/docker-consul.git
 GitCommit: 47c5def6b37c59a5e1ec01d3cd7d5c3ef074c52b