[chore] fix license headers
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
- * s3s://www.apache.org/licenses/LICENSE-2.0
+ * https://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,
