chore(deps): bump commonmarker from 0.23.8 to 0.23.9 in /docs

Bumps [commonmarker](https://github.com/gjtorikian/commonmarker) from 0.23.8 to 0.23.9.
- [Release notes](https://github.com/gjtorikian/commonmarker/releases)
- [Changelog](https://github.com/gjtorikian/commonmarker/blob/main/CHANGELOG.md)
- [Commits](https://github.com/gjtorikian/commonmarker/compare/v0.23.8...v0.23.9)

---
updated-dependencies:
- dependency-name: commonmarker
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

docs/Gemfile.lock

@@ -13,7 +13,7 @@ GEM
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
-    commonmarker (0.23.8)
+    commonmarker (0.23.9)
     concurrent-ruby (1.2.2)
     dnsruby (1.61.9)
       simpleidn (~> 0.1)
@@ -210,7 +210,7 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.18.0)
-    nokogiri (1.14.2-x86_64-linux)
+    nokogiri (1.14.3-x86_64-linux)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -250,7 +250,7 @@ GEM
     webrick (1.8.1)
 
 PLATFORMS
-  ruby
+  x86_64-linux
 
 DEPENDENCIES
   github-pages