Build high-availability plugin for Gerrit v3.0

Change-Id: I533cb6200d2ce1e7f90ce7278e49ad7536656133
diff --git a/jenkins/gerrit-buck-bazel-plugin-high-availability.yaml b/jenkins/gerrit-buck-bazel-plugin-high-availability.yaml
index 6bb30d5..a58af23 100644
--- a/jenkins/gerrit-buck-bazel-plugin-high-availability.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-high-availability.yaml
@@ -6,10 +6,15 @@
             - stable-2.13
       - 'plugin-{name}-bazel-{branch}':
           branch:
-            - master
             - stable-2.16
             - stable-2.15
             - stable-2.14
+      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
+          branch:
+            - master
+          gerrit-branch:
+            - master
+            - stable-3.0
       - 'plugin-{name}-gerritforge-{branch}':
           branch:
             - master