consul: add 1.8.7-beta1 separately from 1.8 tag

library/consul

@@ -6,6 +6,12 @@ GitRepo: https://github.com/hashicorp/docker-consul.git
 GitCommit: 5bcf4fea7550854a1ce934f3389ddde8c08609ca
 Directory: 0.X
 
+Tags: 1.8.7-beta1
+Architectures: amd64, arm32v6, arm64v8, i386
+GitRepo: https://github.com/hashicorp/docker-consul.git
+GitCommit: f14cfe76aafe05a2faa9ae1c04e0bebdb9fe76b8
+Directory: 0.X
+
 Tags: 1.8.6, 1.8
 Architectures: amd64, arm32v6, arm64v8, i386
 GitRepo: https://github.com/hashicorp/docker-consul.git