mypy

gh-142225: Add PyABIInfo_VAR to to _testcapimodule & _testinternalcap… #18602

Job	Run time
Run mypy on Lib/test/libregrtest	22s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/jit	18s
Run mypy on Tools/clinic	20s
Run mypy on Tools/check-c-api-docs	29s
Run mypy on Tools/peg_generator	19s
Run mypy on Lib/tomllib	18s
Run mypy on Tools/build	17s
Run mypy on Lib/_pyrepl	18s
	3m 0s

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