mypy

gh-149202: Don't use -fno-omit-frame-pointer on ppc64le (#149485) #21213

Job	Run time
Run mypy on Lib/tomllib	31s
Run mypy on Lib/test/libregrtest	33s
Run mypy on Lib/_pyrepl	35s
Run mypy on Tools/clinic	26s
Run mypy on Tools/check-c-api-docs	24s
Run mypy on Tools/cases_generator	31s
Run mypy on Tools/build	30s
Run mypy on Tools/peg_generator	30s
Run mypy on Tools/jit	44s
	4m 44s

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