Build checks plugin on stable-3.{4,5} branches

Change-Id: I6edae5a8bd3c078f1eab5b3a9a8732e687bf328d
diff --git a/jenkins/gerrit-bazel-plugin-checks.yaml b/jenkins/gerrit-bazel-plugin-checks.yaml
index 1ecddef..be11126 100644
--- a/jenkins/gerrit-bazel-plugin-checks.yaml
+++ b/jenkins/gerrit-bazel-plugin-checks.yaml
@@ -4,11 +4,11 @@
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
+            - stable-3.5
+            - stable-3.4
             - stable-3.3
       - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
           branch:
             - master
           gerrit-branch:
-            - stable-3.4
-            - stable-3.5
             - stable-3.6