mypy

gh-146462: Add dict introspection debug offsets (#148633) #10517

Job	Run time
Run mypy on Tools/build	11s
Run mypy on Lib/test/libregrtest	22s
Run mypy on Tools/check-c-api-docs	17s
Run mypy on Lib/tomllib	20s
Run mypy on Tools/peg_generator	17s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/jit	17s
Run mypy on Tools/clinic	21s
Run mypy on Lib/_pyrepl	17s
	2m 41s

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