gh-109413: Run mypy on libregrtest in CI - #112558

gh-109413: Run mypy on libregrtest in CI#112558

AlexWaygood merged 3 commits into

python:mainpython/cpython:mainfrom

AlexWaygood:mypy-libregrtestAlexWaygood/cpython:mypy-libregrtestCopy head branch name to clipboard