mypy

gh-142236: Fix incorrect keyword suggestions for syntax errors (#142328) #18310

Job	Run time
Run mypy on Lib/test/libregrtest	19s
Run mypy on Lib/_pyrepl	20s
Run mypy on Lib/tomllib	20s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/clinic	19s
Run mypy on Tools/build	21s
Run mypy on Tools/jit	20s
Run mypy on Tools/peg_generator	19s
	2m 37s

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