Bump nokogiri from 1.18.9 to 1.19.3 in /docs

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.18.9 to 1.19.3.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.9...v1.19.3)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-version: 1.19.3
  dependency-type: indirect
...

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

Author: dependabot[bot]

docs/Gemfile.lock

@@ -23,14 +23,12 @@ GEM
     ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    eventmachine (1.2.7-x64-mingw32)
     execjs (2.8.1)
     faraday (2.7.5)
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     ffi (1.15.5)
-    ffi (1.15.5-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (228)
@@ -213,9 +211,11 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.19.0)
-    nokogiri (1.18.9)
+    nokogiri (1.19.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    nokogiri (1.19.3-x64-mingw-ucrt)
+      racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
@@ -250,13 +250,12 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8.2)
-    unf_ext (0.0.8.2-x64-mingw32)
     unicode-display_width (1.8.0)
     webrick (1.8.2)
 
 PLATFORMS
   ruby
-  x64-mingw32
+  x64-mingw-ucrt
 
 DEPENDENCIES
   github-pages