Bump nokogiri from 1.15.4 to 1.16.5 in /docs

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.15.4 to 1.16.5.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.15.4...v1.16.5)

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

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

Author: dependabot[bot]

docs/Gemfile

@@ -17,7 +17,7 @@ source 'https://rubygems.org'
 gem 'github-pages'
 gem 'redcarpet'
 gem 'jekyll-twitter-plugin'
-gem 'nokogiri', '1.15.4'
+gem 'nokogiri', '1.16.5'
 gem 'mini_portile2', '2.8.4'
 
 gem "webrick", "~> 1.8" # By upgrading ruby to 3.x

docs/Gemfile.lock

@@ -230,9 +230,13 @@ GEM
     minitest (5.25.1)
     net-http (0.4.1)
       uri
-    nokogiri (1.15.4)
+    nokogiri (1.16.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    nokogiri (1.16.5-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.5-x86_64-linux)
+      racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
@@ -277,7 +281,7 @@ DEPENDENCIES
   github-pages
   jekyll-twitter-plugin
   mini_portile2 (= 2.8.4)
-  nokogiri (= 1.15.4)
+  nokogiri (= 1.16.5)
   redcarpet
   webrick (~> 1.8)