Bump sphinx-design from 0.5.0 to 0.6.0 in /requirements (#1585)

Bumps [sphinx-design](https://github.com/executablebooks/sphinx-design) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/executablebooks/sphinx-design/releases)
- [Changelog](https://github.com/executablebooks/sphinx-design/blob/main/CHANGELOG.md)
- [Commits](executablebooks/sphinx-design@v0.5.0...v0.6.0)

---
updated-dependencies:
- dependency-name: sphinx-design
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/requirements_docs.txt

@@ -13,5 +13,5 @@ sphinx-copybutton==0.5.2
 sphinx-gallery==0.16.0
 sphinx-notfound-page==1.0.0
 sphinx-reredirects==0.1.3
-sphinx_design==0.5.0
+sphinx_design==0.6.0
 sphinxcontrib-napoleon==0.7