mypy

gh-135953: Add GIL contention markers to sampling profiler Gecko form… #18006

Job	Run time
Run mypy on Tools/build	16s
Run mypy on Lib/tomllib	27s
Run mypy on Tools/clinic	18s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/jit	20s
Run mypy on Lib/_pyrepl	17s
Run mypy on Tools/peg_generator	18s
Run mypy on Lib/test/libregrtest	21s
	2m 34s

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