mypy

gh-144540: Add _MAKE_HEAP_SAFE uop to eliminate unnecessary refcount … #19899

Job	Run time
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/clinic	26s
Run mypy on Tools/jit	19s
Run mypy on Tools/build	19s
Run mypy on Tools/peg_generator	23s
Run mypy on Tools/cases_generator	22s
Run mypy on Tools/check-c-api-docs	18s
Run mypy on Lib/_pyrepl	21s
Run mypy on Lib/tomllib	17s
	3m 3s

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