upgrade sanitize

Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: .
   specs:
-    editor_js (0.3.6)
+    editor_js (0.3.7)
       actionview (>= 4)
       activesupport (>= 4)
       commonmarker (~> 0.21.2)
       htmlentities (~> 4.3, >= 4.3.4)
       json-schema (~> 2)
       rouge (~> 3.26)
-      sanitize (~> 5.1)
+      sanitize (~> 6.0.0)
 
 GEM
   remote: https://rubygems.org/
@@ -49,10 +49,8 @@ GEM
       nokogiri (>= 1.5.9)
     method_source (0.9.2)
     minitest (5.14.4)
-    nokogiri (1.12.2-x86_64-darwin)
+    nokogiri (1.12.3-x86_64-darwin)
       racc (~> 1.4)
-    nokogumbo (2.0.5)
-      nokogiri (~> 1.8, >= 1.8.4)
     parallel (1.20.1)
     parser (3.0.2.0)
       ast (~> 2.4.1)
@@ -92,10 +90,9 @@ GEM
     ruby-enum (0.9.0)
       i18n
     ruby-progressbar (1.11.0)
-    sanitize (5.2.3)
+    sanitize (6.0.0)
       crass (~> 1.0.2)
-      nokogiri (>= 1.8.0)
-      nokogumbo (~> 2.0)
+      nokogiri (>= 1.12.0)
     simplecov (0.17.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)

editor_js.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'htmlentities', '~> 4.3', '>= 4.3.4'
   spec.add_dependency 'json-schema', '~> 2'
   spec.add_dependency 'rouge', '~> 3.26'
-  spec.add_dependency 'sanitize', '~> 5.1'
+  spec.add_dependency 'sanitize', '~> 6.0.0'
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.0"

lib/editor_js/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module EditorJs
-  VERSION = '0.3.6'
+  VERSION = '0.3.7'
 end