Bump sphinx-rtd-theme from 2.0.0 to 3.0.2 (#96)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/docs.txt

@@ -1,7 +1,7 @@
 -r dev.txt
 
 sphinx==7.3.7
-sphinx_rtd_theme==2.0.0
+sphinx_rtd_theme==3.0.2
 sphinx_book_theme==1.1.3
 sphinx-automodapi==0.18.0
 sphinx-issues==4.1.0