mypy

gh-143089: Fix ParamSpec default examples to use list instead of tupl… #18931

Job	Run time
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/build	24s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/clinic	18s
Run mypy on Lib/tomllib	16s
Run mypy on Tools/peg_generator	17s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/check-c-api-docs	22s
Run mypy on Tools/jit	18s
	2m 49s

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