Merge pull request #293 from sinatra/dependabot/bundler/nokogiri-1.13.6

Bump nokogiri from 1.10.8 to 1.13.6

Author: jkowens

Gemfile.lock

@@ -34,15 +34,17 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     neat (2.0.0)
       sass (~> 3.4)
       thor (~> 0.19)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
+    racc (1.6.0)
     rake (12.3.3)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)