[3.13] Run mypy with four worker processes and uv (GH-149726) (GH-149774) (#149775)

[3.14] Run mypy with four worker processes and uv (GH-149726) (GH-149774)
(cherry picked from commit bb5a81a1ac62ee2b1f5c0ac1893c4c9c660a27a2)


(cherry picked from commit 6304eb1f5b93f682bff558befe4a7b9585f4601e)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>