Upgrade to rails 6.0 (#112)

* Upgrade to rails 6.0

* Updated the VCR as per new changes in maremma version

* Updated the VCR

* Removed next_rails

* Updated gemfile

* removed space

* Removed deprecation warnings block

Gemfile

@@ -1,15 +1,15 @@
 # frozen_string_literal: true
 source 'https://rubygems.org'
 
-gem 'rails', '~> 5.2.0'
+gem 'rails', '6.0'
 gem 'bootsnap', '~> 1.2', '>= 1.2.1'
 gem 'dotenv'
 gem "oj", ">= 2.8.3"
 gem "oj_mimic_json", "~> 1.0", ">= 1.0.1"
 gem 'equivalent-xml', '~> 0.6.0'
-gem 'nokogiri', '~> 1.10.4'
+gem 'nokogiri', '~> 1.13.2'
 gem 'iso8601', '~> 0.9.0'
-gem 'maremma', '~> 4.6.1'
+gem 'maremma', '~> 4.9.6'
 gem "dalli", "~> 2.7.6"
 gem "lograge", "~> 0.11.2"
 gem "logstash-event", "~> 1.2", ">= 1.2.02"
@@ -25,7 +25,7 @@ gem 'cancancan', '~> 2.0'
 gem 'country_select', '~> 3.1'
 gem 'countries', '~> 2.1', '>= 2.1.2'
 gem "facets", require: false
-gem "bolognese", "~> 1.5"
+gem "bolognese", "~> 1.11.5"
 gem "shoryuken", "~> 4.0"
 gem 'rack-cors', '~> 1.0', :require => 'rack/cors'
 gem 'rack-utf8_sanitizer', '~> 1.6'