CI: Add PR title check workflow (#16101)

Author: manuzhang

.github/workflows/pr-title-check.yml

@@ -0,0 +1,44 @@
+# 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: PR Title Check
+
+on:
+  pull_request:
+    types: [opened, edited, reopened]
+
+concurrency:
+  group: pr-title-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+permissions: {}
+
+jobs:
+  check-pr-title:
+    runs-on: ubuntu-slim
+    steps:
+      - name: Check PR Title
+        env:
+          PR_TITLE: ${{ github.event.pull_request.title }}
+        run: |
+          PATTERN='^[A-Za-z][A-Za-z0-9._+/&-]*: .+'
+          if ! echo "$PR_TITLE" | grep -Eq "$PATTERN"; then
+            echo "::error::PR title must follow 'Module: Description' format. Got: '$PR_TITLE'"
+            echo "Examples: 'Core: Fix ...', 'Spark: Add ...', 'API: Remove ...', 'Docs: Update ...'"
+            exit 1
+          fi
+
+          echo "PR title is valid: '$PR_TITLE'"