mypy

Add source links to documentation for Windows-specific modules (GH-13… #19223

Job	Run time
Run mypy on Tools/jit	22s
Run mypy on Tools/build	19s
Run mypy on Lib/_pyrepl	37s
Run mypy on Tools/peg_generator	22s
Run mypy on Tools/check-c-api-docs	22s
Run mypy on Tools/cases_generator	23s
Run mypy on Lib/tomllib	18s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Tools/clinic	21s
	3m 24s

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