mypy

gh-145980: Add support for alternative alphabets in the binascii modu… #10308

Job	Run time
Run mypy on Lib/_pyrepl	18s
Run mypy on Lib/tomllib	18s
Run mypy on Tools/check-c-api-docs	18s
Run mypy on Tools/build	19s
Run mypy on Tools/cases_generator	18s
Run mypy on Tools/clinic	18s
Run mypy on Tools/jit	19s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Tools/peg_generator	19s
	2m 46s

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