mypy

gh-145417: Do not preserve SELinux context when copying venv scripts … #19804

Job	Run time
Run mypy on Lib/_pyrepl	32s
Run mypy on Lib/tomllib	19s
Run mypy on Lib/test/libregrtest	21s
Run mypy on Tools/peg_generator	37s
Run mypy on Tools/clinic	19s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/jit	34s
Run mypy on Tools/build	25s
Run mypy on Tools/check-c-api-docs	18s
	3m 44s

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