mypy

JIT: Rename trampoline.c to shim.c (#142974) #18674

Job	Run time
Run mypy on Tools/jit	17s
Run mypy on Tools/check-c-api-docs	17s
Run mypy on Tools/clinic	17s
Run mypy on Lib/_pyrepl	17s
Run mypy on Tools/peg_generator	20s
Run mypy on Tools/build	18s
Run mypy on Tools/cases_generator	17s
Run mypy on Lib/tomllib	17s
Run mypy on Lib/test/libregrtest	19s
	2m 39s

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