mypy

gh-145846: Fix memory leak in _lsprof clearEntries() context chain (#… #20500

Job	Run time
Run mypy on Tools/build	20s
Run mypy on Lib/tomllib	17s
Run mypy on Tools/peg_generator	19s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/clinic	21s
Run mypy on Lib/_pyrepl	21s
Run mypy on Tools/check-c-api-docs	16s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Tools/jit	20s
	2m 51s

Provide feedback