chore(deps): update sphinx-rtd-theme requirement from ~=2.0.0 to ~=3.0.2

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-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -79,7 +79,7 @@ dev = [
 ]
 docs = [
     "sphinx >=7.3.7,<8",
-    "sphinx_rtd_theme >=2.0.0,<3",
+    "sphinx_rtd_theme >=2.0.0,<4",
     "sphinx-mdinclude >=0.6.0,<1",
 ]
 all = [