Changes from gocardless/gocardless-pro-python-template

[gocardless-ci-robot[bot]]

This pull request was automatically created from the gocardless/gocardless-pro-python-template repository by the push-files action (workflow run).

[jamiecobbett]

The files removed in 23cd5fe need to be checked to make sure they should be removed

[jamiecobbett]

Files removed:

tests/client_tests.py was renamed to tests/client_test.py 2 years ago 👍 tests/error_tests.py was renamed to tests/error_test.py 2 years ago 👍 tests/webhooks_tests.py was renamed to tests/webhooks_test.pr 2 years ago 👍