mypy

gh-139109: Add terminator to JIT code when halting due to invalid de… #18712

Job	Run time
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/build	18s
Run mypy on Lib/_pyrepl	15s
Run mypy on Tools/check-c-api-docs	15s
Run mypy on Tools/peg_generator	15s
Run mypy on Tools/clinic	17s
Run mypy on Lib/tomllib	16s
Run mypy on Tools/cases_generator	18s
Run mypy on Tools/jit	20s
	2m 32s

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