Build(deps-dev): Bump sphinx-rtd-theme in /requirements

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 0.5.2 to 1.1.1.
- [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@0.5.2...1.1.1)

---
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>

requirements/requirements_development.txt

@@ -2,7 +2,7 @@ jupyter==1.0.0
 jupyter_contrib_nbextensions==0.5.1
 pyinstaller==5.6.2
 autodocsumm==0.2.7
-sphinx-rtd-theme==0.5.2
+sphinx-rtd-theme==1.1.1
 plotly==4.12.0
 seaborn==0.11.0
 twine==4.0.0