mypy

GH-142305: JIT: Deduplicating GOT symbols in the trace (#142316) #18400

Job	Run time
Run mypy on Tools/cases_generator	18s
Run mypy on Tools/jit	19s
Run mypy on Lib/_pyrepl	20s
Run mypy on Lib/test/libregrtest	22s
Run mypy on Tools/build	16s
Run mypy on Lib/tomllib	17s
Run mypy on Tools/peg_generator	18s
Run mypy on Tools/clinic	18s
	2m 28s

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