auto close stale patch

Signed-off-by: Yuan Zhou <[email protected]>

.github/stale.yml

@@ -0,0 +1,26 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+staleLabel: stale
+only: pulls
+
+pulls:
+  daysUntilClose: 14
+  daysUntilStale: 90 # ~3 months
+  markComment: >
+    This pull request has been automatically marked as stale because it has not had
+    recent activity. If you'd still like this PR merged, please comment on the PR,
+    make sure you've addressed reviewer comments, and rebase on the latest main.
+    Thank you for your contributions!