Bump sphinx-lint from 0.6.8 to 0.8.1 (#1211)

Bumps [sphinx-lint](https://github.com/sphinx-contrib/sphinx-lint) from 0.6.8 to 0.8.1.
- [Release notes](https://github.com/sphinx-contrib/sphinx-lint/releases)
- [Commits](sphinx-contrib/sphinx-lint@v0.6.8...v0.8.1)

---
updated-dependencies:
- dependency-name: sphinx-lint
  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.txt

@@ -2,7 +2,7 @@ furo>=2022.6.4
 jinja2
 sphinx-autobuild
 sphinx-inline-tabs>=2023.4.21
-sphinx-lint==0.6.8
+sphinx-lint==0.8.1
 sphinx-notfound-page>=1.0.0
 sphinx_copybutton>=0.3.3
 sphinxext-opengraph>=0.7.1