chore(deps-dev): bump jekyll-default-layout from 0.1.5 to 0.2.0 in /docs (#9407)

Bumps [jekyll-default-layout](https://github.com/benbalter/jekyll-default-layout) from 0.1.5 to 0.2.0.
- [Release notes](https://github.com/benbalter/jekyll-default-layout/releases)
- [Changelog](https://github.com/benbalter/jekyll-default-layout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/benbalter/jekyll-default-layout/compare/v0.1.5...v0.2.0)

---
updated-dependencies:
- dependency-name: jekyll-default-layout
  dependency-version: 0.2.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

docs/Gemfile.lock

@@ -90,7 +90,7 @@ GEM
       coffee-script-source (~> 1.12)
     jekyll-commonmark (1.4.0)
       commonmarker (~> 0.22)
-    jekyll-default-layout (0.1.5)
+    jekyll-default-layout (0.2.0)
       jekyll (>= 3.0, < 5.0)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)