mypy

gh-145376: Fix reference leaks in _lprof.c (#145539) #19826

Job	Run time
Run mypy on Tools/build	17s
Run mypy on Tools/check-c-api-docs	18s
Run mypy on Tools/cases_generator	20s
Run mypy on Lib/tomllib	17s
Run mypy on Lib/test/libregrtest	27s
Run mypy on Lib/_pyrepl	20s
Run mypy on Tools/jit	19s
Run mypy on Tools/clinic	17s
Run mypy on Tools/peg_generator	18s
	2m 53s

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