Add some missed Python 3.14 changes (#15717) #4986

Job	Run time
Stubsabot dry run	29s
Check scripts and tests with pyright (Windows)	15s
Check scripts and tests with pyright (Linux)	17s
Check scripts and tests with mypy (win32)	15s
Check scripts and tests with mypy (linux)	17s
	1m 33s

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