Bump nokogiri from 1.18.3 to 1.18.4 in /docs (#106)

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.18.3 to 1.18.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.3...v1.18.4)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
...

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

Author: dependabot[bot]

docs/Gemfile

@@ -17,7 +17,7 @@ end
 gem "wdm", "~> 0.1.1", :install_if => Gem.win_platform?
 
 # Vulnerability  fixes
-gem "nokogiri", "~> 1.18.3"
+gem "nokogiri", "~> 1.18.4"
 gem "rexml", "~> 3.3.9"
 gem "commonmarker", ">= 0.23.10"
 gem "activesupport", "~> 7.0.7.1"

docs/Gemfile.lock

@@ -211,9 +211,9 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.19.0)
-    nokogiri (1.18.3-x64-mingw-ucrt)
+    nokogiri (1.18.4-x64-mingw-ucrt)
       racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-linux-gnu)
+    nokogiri (1.18.4-x86_64-linux-gnu)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -264,7 +264,7 @@ DEPENDENCIES
   activesupport (~> 7.0.7.1)
   commonmarker (>= 0.23.10)
   github-pages (~> 228)
-  nokogiri (~> 1.18.3)
+  nokogiri (~> 1.18.4)
   rexml (~> 3.3.9)
   tzinfo (~> 2.0.6)
   tzinfo-data