Log Message:
py-typing-extensions: updated to 4.12.0

Release 4.12.0 (May 23, 2024)

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.