Merge pull request #240 from mruby/dependabot/bundler/nokogiri-1.18.4

Bump nokogiri from 1.18.3 to 1.18.4

Author: matz

Gemfile.lock

@@ -239,10 +239,10 @@ GEM
     minitest (5.25.4)
     net-http (0.4.1)
       uri
-    nokogiri (1.18.3)
+    nokogiri (1.18.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-darwin)
+    nokogiri (1.18.4-x86_64-darwin)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)