mypy

Update Doc/pylock.toml (#149467) #21206

Job	Run time
Run mypy on Tools/build	28s
Run mypy on Tools/clinic	31s
Run mypy on Lib/tomllib	28s
Run mypy on Tools/peg_generator	34s
Run mypy on Lib/test/libregrtest	32s
Run mypy on Tools/cases_generator	24s
Run mypy on Lib/_pyrepl	29s
Run mypy on Tools/check-c-api-docs	29s
Run mypy on Tools/jit	33s
	4m 28s

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