Bump nokogiri from 1.16.5 to 1.18.3

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.5 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@v1.16.5...v1.18.3)

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

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

Author: dependabot[bot]

Gemfile

@@ -8,6 +8,6 @@ gem 'middleman-autoprefixer', '~> 3.0'
 gem 'middleman-sprockets', '~> 4.1'
 gem 'rouge', '~> 3.21'
 gem 'redcarpet', '~> 3.6.0'
-gem 'nokogiri', '~> 1.16.5'
+gem 'nokogiri', '~> 1.18.3'
 gem 'sass'
 gem 'webrick'

Gemfile.lock

@@ -79,9 +79,9 @@ GEM
     middleman-syntax (3.3.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.8.7)
+    mini_portile2 (2.8.8)
     minitest (5.19.0)
-    nokogiri (1.16.5)
+    nokogiri (1.18.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     padrino-helpers (0.15.2)
@@ -92,7 +92,7 @@ GEM
     parallel (1.22.1)
     parslet (2.0.0)
     public_suffix (5.0.1)
-    racc (1.8.0)
+    racc (1.8.1)
     rack (2.2.11)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -130,7 +130,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 3.0)
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.2)
-  nokogiri (~> 1.16.5)
+  nokogiri (~> 1.18.3)
   redcarpet (~> 3.6.0)
   rouge (~> 3.21)
   sass