Bump sphinx-rtd-theme from 1.3.0 to 2.0.0

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 1.3.0 to 2.0.0.
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@1.3.0...2.0.0)

---
updated-dependencies:
- dependency-name: sphinx-rtd-theme
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

poetry.lock

@@ -28,7 +28,7 @@ pytest = "^7.0"
 pytest-asyncio = "^0.21.0"
 sphinx = "^5.0"
 sphinx-autodoc-typehints = "^1.21"
-sphinx-rtd-theme = "^1.2"
+sphinx-rtd-theme = ">=1.2,<3.0"
 standard-imghdr = {version = "^3.13.0", python = ">=3.13,<4.0"}
 websockets = "^10.0"
 bandit = ">=1.7.5,<1.8"