bump money to 6.6
bump money to 6.6

Nghi93/money-rails,antstorm/money-rails,BookBub/money-rails,RubyMoney/money-rails,antstorm/money-rails,antstorm/money-rails,RubyMoney/money-rails,Nghi93/money-rails,BookBub/money-rails,Nghi93/money-rails,RubyMoney/money-rails,BookBub/money-rails