Upgrade to Rouge 3.3.0 (#24681).

git-svn-id: http://svn.redmine.org/redmine/trunk@17626 e93f8b46-1217-0410-a6f0-8f06a7374b81

Gemfile

@@ -5,7 +5,7 @@ if Gem::Version.new(Bundler::VERSION) < Gem::Version.new('1.5.0')
 end
 
 gem "rails", "5.2.1"
-gem "rouge", "~> 3.2.1"
+gem "rouge", "~> 3.3.0"
 gem "request_store", "1.0.5"
 gem "mini_mime", "~> 1.0.1"
 gem "actionpack-xml_parser"