Bump jekyll from 4.2.1 to 4.2.2 in /docs

Bumps [jekyll](https:/jekyll/jekyll) from 4.2.1 to 4.2.2.
- [Release notes](https:/jekyll/jekyll/releases)
- [Changelog](https:/jekyll/jekyll/blob/master/History.markdown)
- [Commits](jekyll/jekyll@v4.2.1...v4.2.2)

---
updated-dependencies:
- dependency-name: jekyll
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

docs/Gemfile.lock

@@ -12,9 +12,9 @@ GEM
  ffi (1.15.5)
  forwardable-extended (2.6.0)
  http_parser.rb (0.8.0)
- i18n (1.9.1)
+ i18n (1.10.0)
  concurrent-ruby (~> 1.0)
- jekyll (4.2.1)
+ jekyll (4.2.2)
  addressable (~> 2.4)
  colorator (~> 1.0)
  em-websocket (~> 0.5)
@@ -29,7 +29,7 @@ GEM
  rouge (~> 3.0)
  safe_yaml (~> 1.0)
  terminal-table (~> 2.0)
- jekyll-sass-converter (2.1.0)
+ jekyll-sass-converter (2.2.0)
  sassc (> 2.0.1, < 3.0)
  jekyll-seo-tag (2.8.0)
  jekyll (>= 3.8, < 5.0)