Bump sphinx-rtd-theme from 1.0.0 to 2.0.0

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 1.0.0 to 2.0.0.
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](readthedocs/sphinx_rtd_theme@1.0.0...2.0.0)

---
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>

Pipfile

@@ -20,7 +20,7 @@ ipython = "~=8.5.0"
 # Dependencies for documentation
 recommonmark = "~=0.7.1"
 myst-parser = "~=0.18.0"
-sphinx-rtd-theme = "~=1.0.0"
+sphinx-rtd-theme = "~=2.0.0"
 # Development
 hypixelio = {editable = true, extras = ["all"], path = "."}