Build its-base plugin on stable-3.6

Change-Id: I270fb2f38fa206f45661ec842f02a310fe5cc710
diff --git a/jenkins/gerrit-bazel-plugin-its-base.yaml b/jenkins/gerrit-bazel-plugin-its-base.yaml
index 9706793..5821e67 100644
--- a/jenkins/gerrit-bazel-plugin-its-base.yaml
+++ b/jenkins/gerrit-bazel-plugin-its-base.yaml
@@ -5,9 +5,12 @@
           branch:
             - master
           gerrit-branch:
-            - master
-            - stable-3.6
             - stable-3.5
             - stable-3.4
             - stable-3.3
           targets: 'plugins/its-base:its-base plugins/its-base:its_base_tests'
+      - 'plugin-{name}-bazel-{branch}':
+          branch:
+            - master
+            - stable-3.6
+          targets: 'plugins/its-base:its-base plugins/its-base:its_base_tests'