Bump nokogiri from 1.16.7 to 1.18.3 in /docs

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.7 to 1.18.3.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/v1.18.3/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.16.7...v1.18.3)

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

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

Author: dependabot[bot]

docs/Gemfile

@@ -5,4 +5,4 @@ require 'open-uri'
 versions = JSON.parse(OpenURI.open_uri('https://pages.github.com/versions.json').read)
 
 gem 'github-pages', versions['github-pages'], group: :jekyll_plugins
-gem "nokogiri", "1.16.5"
+gem "nokogiri", "1.18.3"

docs/Gemfile.lock

@@ -232,24 +232,32 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.6.1)
     mercenary (0.3.6)
+    mini_portile2 (2.8.8)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.25.1)
     net-http (0.4.1)
       uri
-    nokogiri (1.16.7-aarch64-linux)
+    nokogiri (1.18.3)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.7-arm-linux)
+    nokogiri (1.18.3-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.16.7-arm64-darwin)
+    nokogiri (1.18.3-aarch64-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86-linux)
+    nokogiri (1.18.3-arm-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-darwin)
+    nokogiri (1.18.3-arm-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-linux)
+    nokogiri (1.18.3-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.18.3-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.18.3-x86_64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.18.3-x86_64-linux-musl)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -303,6 +311,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages (= 232)
+  nokogiri (= 1.18.3)
 
 BUNDLED WITH
    2.5.11