mypy

add floss.fund manifest provenance (#137529) #16055

Job	Run time
Run mypy on Lib/test/libregrtest	19s
Run mypy on Tools/clinic	17s
Run mypy on Tools/build	16s
Run mypy on Tools/jit	17s
Run mypy on Tools/peg_generator	17s
Run mypy on Tools/cases_generator	17s
Run mypy on Lib/tomllib	17s
Run mypy on Lib/_pyrepl	18s
	2m 18s

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