Build aws-dynamodb-refdb master branch against gerrit 3.10

Change-Id: I79d9a5f4cda47d63b6dfae5b111e6e8764cfad4d
diff --git a/jenkins/gerrit-bazel-plugin-aws-dynamodb-refdb.yaml b/jenkins/gerrit-bazel-plugin-aws-dynamodb-refdb.yaml
index 7b38501..eb9f3d7 100644
--- a/jenkins/gerrit-bazel-plugin-aws-dynamodb-refdb.yaml
+++ b/jenkins/gerrit-bazel-plugin-aws-dynamodb-refdb.yaml
@@ -5,6 +5,7 @@
           extra-modules: 'global-refdb'
           branch:
             - master
+            - stable-3.10
             - stable-3.9
             - stable-3.8
       - 'plugin-{name}-verifier'