Bump sphinx-rtd-theme from 3.0.0 to 3.0.1

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 3.0.0 to 3.0.1.
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@3.0.0...3.0.1)

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

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

aiosmtpd/docs/requirements.txt

@@ -3,4 +3,4 @@
 ### Sphinx deps
 sphinx==7.4.6
 sphinx-autofixture==0.4.0
-sphinx_rtd_theme==3.0.0
+sphinx_rtd_theme==3.0.1