update header

src/Modules/IexecPoco.ts

@@ -1,18 +1,5 @@
-/******************************************************************************
- * Copyright 2020 IEXEC BLOCKCHAIN TECH                                       *
- *                                                                            *
- * Licensed 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.                                             *
- ******************************************************************************/
+// SPDX-FileCopyrightText: 2020-2024 IEXEC BLOCKCHAIN TECH <[email protected]>
+// SPDX-License-Identifier: Apache-2.0
 
 import { BigInt } from '@graphprotocol/graph-ts';