chore(deps): update dependency typing-extensions to v4.12.0

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
typing-extensions (changelog)	==4.11.0 -> ==4.12.0

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Release Notes

python/typing_extensions (typing-extensions)

v4.12.0

Compare Source

This release is mostly the same as 4.12.0rc1 but fixes one more
longstanding bug.

• Fix incorrect behaviour of typing_extensions.ParamSpec on Python 3.8 and
  3.9 that meant that
  isinstance(typing_extensions.ParamSpec("P"), typing.TypeVar) would have a
  different result in some situations depending on whether or not a profiling
  function had been set using sys.setprofile. Patch by Alex Waygood.

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