Build account plugin on stable-3.6

Change-Id: Ief460067f1fd6af185098770214e977f7157260f
diff --git a/jenkins/gerrit-bazel-plugin-account.yaml b/jenkins/gerrit-bazel-plugin-account.yaml
index 61a1cbf..6486d0e 100644
--- a/jenkins/gerrit-bazel-plugin-account.yaml
+++ b/jenkins/gerrit-bazel-plugin-account.yaml
@@ -41,6 +41,7 @@
       - 'plugin-account-bazel-{branch}':
           branch:
             - master
+            - stable-3.6
             - stable-3.5
             - stable-3.4
             - stable-3.3