build(deps): bump sphinx-rtd-theme from 2.0.0 to 3.0.1 in /requirements

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 2.0.0 to 3.0.1.
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@2.0.0...3.0.1)

---
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>

requirements/docs.txt

@@ -12,8 +12,6 @@ certifi==2024.8.30
     # via requests
 charset-normalizer==3.3.2
     # via requests
-colorama==0.4.6
-    # via sphinx
 docutils==0.20.1
     # via
     #   sphinx
@@ -38,8 +36,8 @@ sphinx==7.4.7
     # via
     #   sphinx-rtd-theme
     #   sphinxcontrib-jquery
-sphinx-rtd-theme==2.0.0
-    # via -r requirements/docs.in
+sphinx-rtd-theme==3.0.1
+    # via -r docs.in
 sphinxcontrib-applehelp==2.0.0
     # via sphinx
 sphinxcontrib-devhelp==2.0.0