mypy

gh-134261: ZipFile - Don't rely on local time for reproducible builds… #21437

Job	Run time
Run mypy on Tools/build	16s
Run mypy on Tools/cases_generator	21s
Run mypy on Tools/clinic	20s
Run mypy on Lib/test/libregrtest	17s
Run mypy on Tools/peg_generator	17s
Run mypy on Tools/check-c-api-docs	22s
Run mypy on Tools/jit	18s
Run mypy on Lib/tomllib	16s
Run mypy on Lib/_pyrepl	17s
	2m 44s

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