mypy

gh-112729: Correctly fail when the process is out of memory during in… #9615

Job	Run time
Run mypy on Tools/cases_generator	19s
Run mypy on Lib/_pyrepl	24s
Run mypy on Tools/clinic	17s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/jit	22s
Run mypy on Tools/build	16s
Run mypy on Lib/tomllib	22s
Run mypy on Tools/peg_generator	17s
	2m 35s

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