Bump nokogiri from 1.12.5 to 1.13.2

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.12.5 to 1.13.2.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.12.5...v1.13.2)

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

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

Gemfile

@@ -11,7 +11,7 @@ gem 'rake'
 gem 'ronn'
 gem 'kramdown'
 gem 'builder'
-gem 'nokogiri', '~> 1.12'
+gem 'nokogiri', '~> 1.13'
 gem 'haml', '~> 5.1.2'
 
 group :development do

Gemfile.lock

@@ -96,19 +96,19 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.0)
     mini_racer (0.5.0)
       libv8-node (~> 16.10.0.0)
     minitest (5.14.4)
     multipart-post (2.1.1)
     mustache (1.0.5)
     nio4r (2.5.8)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.13.2)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.12.5-arm64-darwin)
+    nokogiri (1.13.2-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.12.5-x86_64-linux)
+    nokogiri (1.13.2-x86_64-linux)
       racc (~> 1.4)
     octokit (4.15.0)
       faraday (>= 0.9)
@@ -129,7 +129,7 @@ GEM
     public_suffix (4.0.6)
     puma (4.3.11)
       nio4r (~> 2.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rake (13.0.1)
     rb-fsevent (0.11.0)
@@ -173,7 +173,7 @@ DEPENDENCIES
   middleman-blog
   middleman-search!
   middleman-syntax
-  nokogiri (~> 1.12)
+  nokogiri (~> 1.13)
   octokit (~> 4.15)
   pry
   pry-byebug