[chore](autopick)Delete Auto Pick Branch (#44225)

.github/workflows/delete-auto-pick-branch.yml

@@ -0,0 +1,37 @@
+# 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.
+
+name: Delete Auto Pick Branch 
+
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  delete-branch:
+    if: github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'branch-2.1' && github.event.pull_request.user.login == 'github-actions[bot]' && startsWith(github.event.pull_request.head.ref, 'auto-pick')
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Delete merged branch
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          branch_name=${{ github.event.pull_request.head.ref }}
+          echo "Deleting branch: $branch_name"
+          curl -X DELETE -H "Authorization: Bearer $GITHUB_TOKEN" \
+            https://api.github.com/repos/${{ github.repository }}/git/refs/heads/$branch_name