Build checks-jenkins plugin for Gerrit stable-3.14

Change-Id: Icd7094b493955e1aeecd8eda56bf144a3cebc344

jenkins/gerrit-bazel-plugin-checks-jenkins.yaml

diff --git a/jenkins/gerrit-bazel-plugin-checks-jenkins.yaml b/jenkins/gerrit-bazel-plugin-checks-jenkins.yaml
index 7ab4b9c..bcea859 100644
--- a/jenkins/gerrit-bazel-plugin-checks-jenkins.yaml
+++ b/jenkins/gerrit-bazel-plugin-checks-jenkins.yaml
@@ -9,3 +9,4 @@
             - master
           gerrit-branch:
             - stable-3.13
+            - stable-3.14