mypy

gh-130472: Integrate fancycompleter with the new repl, to get colored… #20422

Job	Run time
Run mypy on Tools/cases_generator	17s
Run mypy on Lib/tomllib	16s
Run mypy on Lib/_pyrepl	18s
Run mypy on Tools/build	19s
Run mypy on Tools/check-c-api-docs	16s
Run mypy on Lib/test/libregrtest	21s
Run mypy on Tools/peg_generator	17s
Run mypy on Tools/jit	17s
Run mypy on Tools/clinic	17s
	2m 38s

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