mypy

gh-145057: Fix test names and comments to reflect `sys.lazy_modules` … #20236

Job	Run time
Run mypy on Tools/clinic	16s
Run mypy on Tools/cases_generator	17s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Tools/build	18s
Run mypy on Lib/tomllib	15s
Run mypy on Tools/check-c-api-docs	18s
Run mypy on Tools/peg_generator	17s
Run mypy on Tools/jit	19s
Run mypy on Lib/_pyrepl	21s
	2m 40s

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