- update to 2023.7:
* Fix compatability with Sphinx 7.1
* Enable the slash keypress to focus the search field
* Sphinx 6.2 fix: add ``nav.contents`` where ``div.topic`` is
used
* Dark mode: fix contrast for C++ specific styling (#133)
* Don't let long code literals extend beyond the right side of
the screen
* Test with Python 3.12
* Add a dark theme.
* Fix: Remove searchbox id from form.
* Update ``python-docs-theme`` to work with Sphinx 5 & 6.
* Override font for ``.sig`` for consistency with other code
blocks.
* Dark mode: add class to invert image brightness.
* Skip cache-busting for old Sphinx
* Fix problem with monospace rendering in Vivaldi
* Fix mobile nav obstructing content
* Reduce footer margin only for desktop
* Append a hash ?digest to CSS files for cache-busting