refactor: Split license check into standalone workflow (#704)

Author: ongdisheng

.github/workflows/ci.yml

@@ -32,8 +32,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - name: Check License Header
-        uses: korandoru/hawkeye@v6
       - name: Cache Local Maven Repository
         uses: actions/cache@v4
         with:

.github/workflows/license-check.yml

@@ -0,0 +1,28 @@
+# 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: Check License Header
+
+on: [ push, pull_request ]
+
+jobs:
+  license:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - name: Check License Header
+        uses: korandoru/hawkeye@v6