mypy

gh-146121: Clarify security model of pkgutil.getdata; revert checks (… #10396

Job	Run time
Run mypy on Tools/clinic	17s
Run mypy on Lib/tomllib	18s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/jit	18s
Run mypy on Tools/peg_generator	19s
Run mypy on Tools/build	21s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/check-c-api-docs	17s
Run mypy on Lib/_pyrepl	18s
	2m 43s

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