Wheels are broken

[guyer]

As of 2026-02-13, Unix and Windows packaging tests are falling over:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
    import fipy; fipy.test()
                 ~~~~~~~~~^^
  File "/usr/share/miniconda/envs/wheelEnvironment/lib/python3.14/site-packages/fipy/__init__.py", line 173, in test
    from fipy.tests.test import main
  File "/usr/share/miniconda/envs/wheelEnvironment/lib/python3.14/site-packages/fipy/tests/test.py", line 9, in <module>
    from typing_extensions import Annotated
ModuleNotFoundError: No module named 'typing_extensions'