mypy

gh-126008: Improve docstrings for Tkinter cget and configure methods … #9474

Job	Run time
Run mypy on Tools/cases_generator	16s
Run mypy on Tools/build	19s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Lib/tomllib	20s
Run mypy on Lib/_pyrepl	18s
Run mypy on Tools/peg_generator	18s
Run mypy on Tools/clinic	18s
Run mypy on Tools/jit	18s
	2m 26s

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