Build events-log plugin on stable-3.1[1-4]

Change-Id: I29a312beba7edfd234d8f87207aad7c701848923

jenkins/gerrit-bazel-plugin-events-log.yaml

diff --git a/jenkins/gerrit-bazel-plugin-events-log.yaml b/jenkins/gerrit-bazel-plugin-events-log.yaml
index 9bb807b..46c9665 100644
--- a/jenkins/gerrit-bazel-plugin-events-log.yaml
+++ b/jenkins/gerrit-bazel-plugin-events-log.yaml
@@ -4,10 +4,11 @@
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
+            - stable-3.13
+            - stable-3.12
+            - stable-3.11
       - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
           branch:
             - master
           gerrit-branch:
-            - stable-3.13
-            - stable-3.12
-            - stable-3.11
+            - stable-3.14