mypy

gh-140795: Remove 'exc' field in SSLObject (gh-143491) #10058

Job	Run time
Run mypy on Lib/tomllib	19s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/clinic	17s
Run mypy on Tools/check-c-api-docs	21s
Run mypy on Tools/build	18s
Run mypy on Tools/jit	19s
Run mypy on Tools/peg_generator	22s
Run mypy on Lib/_pyrepl	18s
Run mypy on Lib/test/libregrtest	18s
	2m 49s

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