Build serviceuser on stable-3.1[0-2]

Change-Id: I8a668196dc1c0a7097e4a520a9188e1a381b926c
diff --git a/jenkins/gerrit-bazel-plugin-serviceuser.yaml b/jenkins/gerrit-bazel-plugin-serviceuser.yaml
index 16eebf7..8e8e5ea 100644
--- a/jenkins/gerrit-bazel-plugin-serviceuser.yaml
+++ b/jenkins/gerrit-bazel-plugin-serviceuser.yaml
@@ -5,7 +5,10 @@
           branch:
             - master
           gerrit-branch:
-            - stable-3.10
+            - stable-3.13
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
+            - stable-3.12
+            - stable-3.11
+            - stable-3.10