Bump the bundler group across 1 directory with 4 updates

Bumps the bundler group with 4 updates in the /docs directory: [cgi](https://github.com/ruby/cgi), [nokogiri](https://github.com/sparklemotion/nokogiri), [rexml](https://github.com/ruby/rexml) and [webrick](https://github.com/ruby/webrick).


Updates `cgi` from 0.4.1 to 0.4.2
- [Release notes](https://github.com/ruby/cgi/releases)
- [Commits](ruby/cgi@v0.4.1...v0.4.2)

Updates `nokogiri` from 1.16.5 to 1.18.3
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.16.5...v1.18.3)

Updates `rexml` from 3.3.6 to 3.3.9
- [Release notes](https://github.com/ruby/rexml/releases)
- [Changelog](https://github.com/ruby/rexml/blob/master/NEWS.md)
- [Commits](ruby/rexml@v3.3.6...v3.3.9)

Updates `webrick` from 1.8.1 to 1.8.2
- [Release notes](https://github.com/ruby/webrick/releases)
- [Commits](ruby/webrick@v1.8.1...v1.8.2)

---
updated-dependencies:
- dependency-name: cgi
  dependency-type: indirect
  dependency-group: bundler
- dependency-name: nokogiri
  dependency-type: indirect
  dependency-group: bundler
- dependency-name: rexml
  dependency-type: indirect
  dependency-group: bundler
- dependency-name: webrick
  dependency-type: indirect
  dependency-group: bundler
...

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

docs/Gemfile.lock

@@ -15,7 +15,7 @@ GEM
       public_suffix (>= 2.0.2, < 6.0)
     base64 (0.2.0)
     bigdecimal (3.1.8)
-    cgi (0.4.1)
+    cgi (0.4.2)
     colorator (1.1.0)
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
@@ -92,29 +92,27 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.24.1)
     mutex_m (0.2.0)
-    nokogiri (1.16.5-x86_64-linux)
+    nokogiri (1.18.3-x86_64-linux-gnu)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (5.0.5)
-    racc (1.8.0)
+    racc (1.8.1)
     rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (4.2.1)
     safe_yaml (1.0.5)
     sass-embedded (1.83.0-x86_64-linux-gnu)
       google-protobuf (~> 4.28)
-    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
-    webrick (1.8.1)
+    webrick (1.8.2)
 
 PLATFORMS
   x86_64-linux