Corrected random license headers

src/common/logger.py

 #!/usr/bin/python
 #
-# Copyright 2018 Google LLC
+# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.