build(deps): update sphinx-rtd-theme requirement from ^2.0.0 to ^3.0.2 (#12)

Updates the requirements on [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) to permit the latest version.
- [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-version: 3.0.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ optional = true
 
 [tool.poetry.group.docs.dependencies]
 sphinx = "^7.2.6"
-sphinx-rtd-theme = "^2.0.0"
+sphinx-rtd-theme = "^3.0.2"
 myst-parser = "^4.0.1"
 sphinxcontrib-napoleon = "^0.7"
 sphinx-autodoc-typehints = "^2.3.0"