mypy

gh-148508: Add resilience to SSL preauth tests on iOS (#148536) #20702

Job	Run time
Run mypy on Tools/build	20s
Run mypy on Lib/_pyrepl	17s
Run mypy on Tools/peg_generator	17s
Run mypy on Lib/tomllib	21s
Run mypy on Lib/test/libregrtest	22s
Run mypy on Tools/check-c-api-docs	20s
Run mypy on Tools/clinic	18s
Run mypy on Tools/jit	16s
Run mypy on Tools/cases_generator	17s
	2m 48s

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