chore(deps): Bump nokogiri from 1.17.2 to 1.18.1 (#1420)

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.17.2 to 1.18.1.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.17.2...v1.18.1)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -22,7 +22,7 @@ gem "octokit", "~> 9.2"
 ## To generate ERB files from ronn files from rubygems/rubygems
 gem "nronn"
 ## To strip (man:strip_pages)
-gem "nokogiri", "~> 1.17"
+gem "nokogiri", "~> 1.18"
 
 group :development do
   gem "irb"

Gemfile.lock

@@ -140,12 +140,12 @@ GEM
     mutex_m (0.2.0)
     net-http (0.4.1)
       uri
-    nokogiri (1.17.2)
+    nokogiri (1.18.1)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.17.2-arm64-darwin)
+    nokogiri (1.18.1-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.17.2-x86_64-linux)
+    nokogiri (1.18.1-x86_64-linux-gnu)
       racc (~> 1.4)
     nronn (0.11.1)
       kramdown (~> 2.1)
@@ -252,7 +252,7 @@ DEPENDENCIES
   middleman-blog
   middleman-search!
   middleman-syntax
-  nokogiri (~> 1.17)
+  nokogiri (~> 1.18)
   nronn
   octokit (~> 9.2)
   pry-byebug