Add possibility to build `owners` against Gerrit `stable-3.10`

Bug: Issue 347739666
Change-Id: I5b1b469ef30971348226f770bde0ef5268b25a50
diff --git a/jenkins/gerrit-bazel-plugin-owners.yaml b/jenkins/gerrit-bazel-plugin-owners.yaml
index 1a5e325..4d618d3 100644
--- a/jenkins/gerrit-bazel-plugin-owners.yaml
+++ b/jenkins/gerrit-bazel-plugin-owners.yaml
@@ -69,5 +69,6 @@
           targets: 'plugins/owners plugins/owners-a*'
           branch:
             - master
+            - stable-3.10
             - stable-3.9
             - stable-3.8