mypy

gh-142627: Ignore anonymous mappings in Linux remote debugging (#142628) #18465

Job	Run time
Run mypy on Lib/test/libregrtest	21s
Run mypy on Tools/cases_generator	21s
Run mypy on Tools/jit	16s
Run mypy on Lib/tomllib	17s
Run mypy on Tools/peg_generator	16s
Run mypy on Tools/build	20s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/clinic	16s
	2m 26s

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