Bump sphinx-rtd-theme from 0.5.0 to 1.0.0

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 0.5.0 to 1.0.0.
- [Release notes](https://github.com/readthedocs/sphinx_rtd_theme/releases)
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@0.5.0...1.0.0)

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

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

pyproject.toml

@@ -64,7 +64,7 @@ flake8 = "^3.9.2"
 model_bakery = "^1.2.1"
 isort = "^5.6.4"
 sphinx = "^3.4.3"
-sphinx-rtd-theme = "^0.5.0"
+sphinx-rtd-theme = "^1.0.0"
 safety = "^1.10.3"
 sphinxcontrib_django = "^0.5.1"
 sphinx_autodoc_annotation = "^1.0-1"