mypy

gh-90548: Fix musl version detection with --strip-all (#137864) #9545

Job	Run time
Run mypy on Tools/build	17s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Lib/_pyrepl	20s
Run mypy on Tools/cases_generator	20s
Run mypy on Lib/tomllib	16s
Run mypy on Tools/peg_generator	16s
Run mypy on Tools/clinic	20s
Run mypy on Tools/jit	17s
	2m 24s

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