add spdx header

modules/pybind11/test/test_ifm3d_fg2.py

@@ -1,18 +1,8 @@
 #
-# Copyright (C) 2019 ifm electronic, gmbh
-#
-# 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 distribtued 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.
+# Copyright 2021-present ifm electronic, gmbh
+# SPDX-License-Identifier: Apache-2.0
 #
+
 import pytest
 import time