[Not to merge before 2023/06/28] Time to say goodbye to py37 😭 
# What does this PR do?

Byebye!

EOL of python 3.7 is `2023/06/27`.

https://endoflife.date/python


_The documentation is not available anymore as the PR was closed or merged._<|||||>test failures will be addressed soon by related authors. Not related to this PR.