Log Message:
py-alabaster: update to 1.0.0.

:git_tag:`1.0.0` -- 2024-07-26
------------------------------

- Dropped support for Python 3.9 and earlier.
- Dropped support for Sphinx 6.1 and earlier.
- Use a new SVG image for the GitHub banner.
- :feature:`217` Use the new *searchfield* component for the search box.
  Patch by Tim Hoffmann.
- :feature:`104` Allow translating strings in ``relations.html``.
- :bug:`125` Do not underline linked images.
   Patch by Joshua Bronson.
- :bug:`169` Do not ignore the Pygments background colour.
  Patch by Matthias Geier.
- :bug:`174` Fix clipping caused by incorrect CSS breakpoints.