Build reviewers plugin master against stable-3.14

Change-Id: Ieab3243403daf043c4ee133832f46f6c491cda90

jenkins/gerrit-bazel-plugin-reviewers.yaml

diff --git a/jenkins/gerrit-bazel-plugin-reviewers.yaml b/jenkins/gerrit-bazel-plugin-reviewers.yaml
index 6600a02..0b916c6 100644
--- a/jenkins/gerrit-bazel-plugin-reviewers.yaml
+++ b/jenkins/gerrit-bazel-plugin-reviewers.yaml
@@ -11,3 +11,4 @@
             - stable-3.11
             - stable-3.12
             - stable-3.13
+            - stable-3.14