Build GerritForge/replication plugin on stable-3.0

GerritForge/replication plugin is a Fork of Gerrit Code Review
replication plugin.

Change-Id: I9e51aba787c474153dc05284b0e824d8388f4a19
diff --git a/jenkins/gerrit-buck-bazel-plugin-replication.yaml b/jenkins/gerrit-buck-bazel-plugin-replication.yaml
index 9fa5702..62a83c8 100644
--- a/jenkins/gerrit-buck-bazel-plugin-replication.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-replication.yaml
@@ -8,3 +8,7 @@
           branch:
             - master
             - stable-2.14
+      - 'plugin-{name}-gerritforge-{branch}':
+          targets: 'plugins/replication'
+          branch:
+            - stable-3.0
\ No newline at end of file