mypy

GH-126910: Build/link the JIT shim in the Python interpreter #20823

Job	Run time
Run mypy on Tools/check-c-api-docs	19s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Tools/clinic	22s
Run mypy on Tools/cases_generator	26s
Run mypy on Lib/_pyrepl	21s
Run mypy on Tools/jit	17s
Run mypy on Tools/peg_generator	19s
Run mypy on Lib/tomllib	19s
Run mypy on Tools/build	19s
	3m 1s

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