mypy

gh-150644: Tag Apple system log messages as public. (#150645) #10625

Job	Run time
Run mypy on Lib/_pyrepl	21s
Run mypy on Tools/peg_generator	19s
Run mypy on Tools/check-c-api-docs	16s
Run mypy on Tools/cases_generator	18s
Run mypy on Lib/tomllib	16s
Run mypy on Tools/clinic	17s
Run mypy on Lib/test/libregrtest	21s
Run mypy on Tools/build	20s
Run mypy on Tools/jit	18s
	2m 46s

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