python3-typing-extensions: upgrade 4.7.0 -> 4.7.1

https://github.com/python/typing_extensions/blob/4.7.1/CHANGELOG.md#release-471-july-2-2023



Release 4.7.1 (July 2, 2023)
* Fix support for TypedDict, NamedTuple and is_protocol on PyPy-3.7 and
  PyPy-3.8. Patch by Alex Waygood. Note that PyPy-3.7 and PyPy-3.8 are
  unsupported by the PyPy project. The next feature release of
  typing-extensions will drop support for PyPy-3.7 and may also drop
  support for PyPy-3.8.

Signed-off-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>