mypy

gh-146092: Raise MemoryError on allocation failure in _zoneinfo (#146… #20073

Job	Run time
Run mypy on Lib/tomllib	19s
Run mypy on Tools/build	17s
Run mypy on Tools/check-c-api-docs	18s
Run mypy on Lib/_pyrepl	17s
Run mypy on Tools/peg_generator	20s
Run mypy on Tools/clinic	17s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/jit	25s
Run mypy on Lib/test/libregrtest	20s
	2m 52s

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