Build account plugin master against stable-3.14

Change-Id: I945dd76d0f9b0453a3bc08cd418d796340a8a572

jenkins/gerrit-bazel-plugin-account.yaml

diff --git a/jenkins/gerrit-bazel-plugin-account.yaml b/jenkins/gerrit-bazel-plugin-account.yaml
index 8d89841..b53c7ad 100644
--- a/jenkins/gerrit-bazel-plugin-account.yaml
+++ b/jenkins/gerrit-bazel-plugin-account.yaml
@@ -44,4 +44,5 @@
       - 'plugin-account-gh-bazel-{branch}':
           branch:
             - master
+            - stable-3.14
             - stable-3.13