mypy

gh-137884: Added threading.get_native_id() on Illumos/Solaris (GH-137… #9504

Job	Run time
Run mypy on Lib/tomllib	14s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/clinic	19s
Run mypy on Tools/build	15s
Run mypy on Tools/jit	28s
Run mypy on Lib/_pyrepl	47s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/peg_generator	16s
	2m 54s

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