mypy

gh-141510: Fix frozendict.fromkeys() for dict subclasses (#144962) #19583

Job	Run time
Run mypy on Tools/check-c-api-docs	19s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Tools/clinic	19s
Run mypy on Tools/build	19s
Run mypy on Tools/jit	17s
Run mypy on Tools/cases_generator	21s
Run mypy on Tools/peg_generator	22s
Run mypy on Lib/_pyrepl	17s
Run mypy on Lib/tomllib	18s
	2m 51s

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