mypy

gh-144681: Fix JIT trace builder assertion failure when conditional b… #10262

Job	Run time
Run mypy on Lib/tomllib	17s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/check-c-api-docs	19s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/jit	21s
Run mypy on Tools/build	17s
Run mypy on Tools/peg_generator	20s
Run mypy on Tools/clinic	17s
	2m 47s

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