add license headers to the stale PR job
+# ~ 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: 'Close stale PR and Issues'
on:
schedule:
