Add Github Actions stale bot (#6468)

.github/workflows/stale.yml

@@ -0,0 +1,52 @@
+# 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.
+
+
+# https://github.com/actions/stale
+name: 'Close stale issues and PRs'
+on:
+  schedule:
+    - cron: '0 0 * * *'
+permissions:
+  # Stale recommended permissions
+  pull-requests: write
+  issues: write
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v4
+        with:
+          # Stale Issues
+          days-before-issue-stale: 14
+          days-before-issue-close: 3
+          # We do not stale Issues with label `Waiting for reply`, `new feature` and `DSIP`
+          exempt-issue-labels: 'Waiting for reply,new feature,DSIP'
+          stale-issue-message: >
+            This issue has been automatically marked as stale because it has not had recent activity
+            for 14 days. It will be closed in next 3 days if no further activity occurs.
+          close-issue-message: >
+            This issue has been closed because it has not received response for too long time. You could
+            reopen it if you encountered similar problems in the future.
+          # Stale PRs
+          days-before-pr-stale: 60
+          days-before-pr-close: 5
+          stale-pr-message: >
+            This pull request has been automatically marked as stale because it has not had recent
+            activity for 60 days. It will be closed in 5 days if no further activity occurs.
+          close-pr-message: >
+            This pull request has been closed because it has not had recent activity. You could reopen it
+            if you try to continue your work, and anyone who are interested in it are encouraged to continue
+            work on this pull request.