python3-alabaster: upgrade 0.7.13 -> 0.7.16

python3-alabaster: upgrade 0.7.13 -> 0.7.16

* Since 0.7.14 setup.py was dropped and now the project is using the
  flit core backend (inherit python_flit_core)
* Add BUGTRACKER url

License-Update: LICENSE renamed to LICENSE.rst

https://alabaster.readthedocs.io/en/latest/changelog.html#changelog

0.7.14 – 2024-01-08
* Dropped support for Python 3.8 and earlier.
* Dropped support for Sphinx 3.3 and earlier.
* #198 Fix horizontal scrolling on mobile.
* #206 Properly support the html_support_sphinx config value.
* #211 Fix the GitHub ‘forkme’ banner.
* Added alabaster_version_info to the HTML template context.
* Declare support for Python 3.13.
* Adopt the Ruff linter and formatter.
* Migrate from CircleCI to GitHub Actions.

0.7.15 – 2024-01-08
* #213 Allow an arbitrary string in the logo_name option.
* #114 Improved sidebar CSS styles.
* #178 Deprecated canonical_url in favor of html_baseurl.
* #200 Removed duplicate <meta name="viewport" ... /> tag.
* #188 Removed underline from whitespace.
* #164 Removed type="text/javascript" from <script> elements.
* #161 Replaced &copy; with unicode decimal code entity #169;.

0.7.16 – 2024-01-10
* #215 Do not display logo_name if it is set to False.

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