mypy

gh-135661: Fix parsing unterminated bogus comments in HTMLParser (GH-… #9493

Job	Run time
Run mypy on Lib/test/libregrtest	18s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/build	17s
Run mypy on Tools/clinic	16s
Run mypy on Tools/peg_generator	21s
Run mypy on Tools/jit	17s
Run mypy on Tools/cases_generator	19s
Run mypy on Lib/tomllib	20s
	2m 27s

Provide feedback