Bump sphinx-rtd-theme from 0.5.2 to 1.0.0 in /resources

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

Author: dependabot[bot]

resources/requirements_development.txt

@@ -6,4 +6,4 @@ pytest==6.2.5
 sphinx==4.2.0
 pylint==2.10.2
 reorder-python-imports==2.6.0
-sphinx_rtd_theme==0.5.2
+sphinx_rtd_theme==1.0.0