mypy

gh-149676: Fix hash(frozendict | frozendict) (#149675) #10551

Job	Run time
Run mypy on Tools/build	39s
Run mypy on Tools/check-c-api-docs	38s
Run mypy on Tools/peg_generator	37s
Run mypy on Lib/_pyrepl	49s
Run mypy on Tools/jit	1m 1s
Run mypy on Tools/clinic	39s
Run mypy on Tools/cases_generator	43s
Run mypy on Lib/test/libregrtest	31s
Run mypy on Lib/tomllib	41s
	6m 18s

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