Build zuul-results-summary plugin on stable-3.3

Change-Id: I76121b6a9f16f6cbba147900c22ceca49c54db2a

jenkins/gerrit-bazel-plugin-zuul-results-summary.yaml

diff --git a/jenkins/gerrit-bazel-plugin-zuul-results-summary.yaml b/jenkins/gerrit-bazel-plugin-zuul-results-summary.yaml
new file mode 100644
index 0000000..85fe291
--- /dev/null
+++ b/jenkins/gerrit-bazel-plugin-zuul-results-summary.yaml
@@ -0,0 +1,9 @@
+- project:
+    name: zuul-results-summary
+    jobs:
+      - 'ui-plugin-{name}-bazel-{branch}-{gerrit-branch}':
+          branch:
+            - main
+          gerrit-branch:
+            - master
+            - stable-3.3