mypy

gh-142186: Allow all PEP-669 events to be per-code object and disable… #20819

Job	Run time
Run mypy on Tools/peg_generator	18s
Run mypy on Lib/_pyrepl	23s
Run mypy on Tools/check-c-api-docs	15s
Run mypy on Tools/clinic	17s
Run mypy on Lib/tomllib	16s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/jit	16s
Run mypy on Tools/build	18s
Run mypy on Tools/cases_generator	17s
	2m 38s

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