mypy

Merge branch 'main' of https://github.com/python/cpython #20495

Job	Run time
Run mypy on Tools/clinic	18s
Run mypy on Tools/jit	17s
Run mypy on Lib/_pyrepl	18s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/check-c-api-docs	20s
Run mypy on Tools/build	17s
Run mypy on Tools/peg_generator	16s
Run mypy on Lib/tomllib	18s
Run mypy on Lib/test/libregrtest	16s
	2m 37s

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