mypy

gh-138122: Add sampling profiler visualisation to docs (#142772) #19478

Job	Run time
Run mypy on Tools/build	18s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/clinic	23s
Run mypy on Tools/peg_generator	23s
Run mypy on Lib/tomllib	20s
Run mypy on Tools/jit	18s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Tools/check-c-api-docs	21s
Run mypy on Tools/cases_generator	22s
	3m 4s

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