[storm] Storm 0.26 is out

[Colin Watson]

The Storm team is proud to announce Storm 0.24!

Tarballs can be found at Launchpad or PyPI:

  https://launchpad.net/storm/+milestone/0.26
  https://pypi.org/project/storm

>From the NEWS file:

0.26 (2023-07-04)
=================

Improvements
------------

- Clarify exception when creating a property with both allow_none=False and
  default=None.
- Add storm.expr.Is and storm.expr.IsNot operators.
- Support Python 3.10 and 3.11.

Bug fixes
---------

- Avoid traceback reference cycles when wrapping exceptions.
- Fix test compatibility with MySQL >= 8.0.24.

-- 
Colin Watson (he/him)                           [cjwatson at canonical.com]