Fix nokogiri vulnerability

Upgrade nokogiri to 1.11.0.rc4  or later

Author: cotes2020

Gemfile.lock

@@ -62,14 +62,16 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
     mini_portile2 (2.4.0)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.0)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     nokogumbo (2.0.4)
       nokogiri (~> 1.8, >= 1.8.4)
     parallel (1.20.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
+    racc (1.5.2)
     rainbow (3.0.0)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)