Bump sphinx-rtd-theme from 2.0.0 to 3.0.2

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 2.0.0 to 3.0.2.
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@2.0.0...3.0.2)

---
updated-dependencies:
- dependency-name: sphinx-rtd-theme
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/requirements.txt

@@ -1,6 +1,6 @@
 urllib3==2.3.0 # https://github.com/readthedocs/readthedocs.org/issues/10290
 sphinx==7.3.7
-sphinx-rtd-theme==2.0.0
+sphinx-rtd-theme==3.0.2
 invoke==2.2.0
 jinja2==3.1.5
 MarkupSafe==3.0.2