mypy

gh-142342: Fix m68k assembler operand constraints for `%fpcr` access … #18362

Job	Run time
Run mypy on Tools/cases_generator	21s
Run mypy on Lib/test/libregrtest	21s
Run mypy on Lib/_pyrepl	21s
Run mypy on Tools/peg_generator	27s
Run mypy on Tools/jit	18s
Run mypy on Tools/clinic	20s
Run mypy on Tools/build	20s
Run mypy on Lib/tomllib	17s
	2m 45s

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