chore(deps-dev): bump jekyll-relative-links from 0.7.0 to 0.8.0 in /docs (#9405)

Bumps [jekyll-relative-links](https://github.com/benbalter/jekyll-relative-links) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/benbalter/jekyll-relative-links/releases)
- [Changelog](https://github.com/benbalter/jekyll-relative-links/blob/main/CHANGELOG.md)
- [Commits](https://github.com/benbalter/jekyll-relative-links/compare/v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: jekyll-relative-links
  dependency-version: 0.8.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

docs/Gemfile.lock

@@ -103,7 +103,7 @@ GEM
     jekyll-readme-index (0.4.0)
       jekyll (>= 3.0, < 5.0)
       kramdown-parser-gfm (~> 1.1)
-    jekyll-relative-links (0.7.0)
+    jekyll-relative-links (0.8.0)
       jekyll (>= 3.3, < 5.0)
     jekyll-sass-converter (3.1.0)
       sass-embedded (~> 1.75)