mypy

gh-148501: Fix cross-block adrp+ldr to movz optimization on AArch64 #20650

Job	Run time
Run mypy on Tools/build	20s
Run mypy on Lib/tomllib	17s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/check-c-api-docs	17s
Run mypy on Tools/clinic	20s
Run mypy on Lib/_pyrepl	16s
Run mypy on Tools/jit	18s
Run mypy on Tools/peg_generator	16s
Run mypy on Lib/test/libregrtest	16s
	2m 39s

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