BUG: TypeError when replacing TZ info

[zkoppert]

Getting an TypeError when trying to run evergreen:

Traceback (most recent call last):
File "/action/workspace/evergreen.py", line 349, in
main() # pragma: no cover
^^^^^^
File "/action/workspace/evergreen.py", line 79, in main
if created_after_date and repo.created_at.replace(
^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: str.replace() takes no keyword arguments

cc/ @MorganPattersonSignet since this is a code change you authored previously.