Merge pull request #296 from sinatra/dependabot/bundler/nokogiri-1.13.9

Bump nokogiri from 1.13.8 to 1.13.9

Author: jkowens

Gemfile.lock

@@ -52,7 +52,7 @@ GEM
     neat (1.7.4)
       bourbon (>= 4.0)
       sass (>= 3.3)
-    nokogiri (1.13.8)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pathutil (0.16.2)