Updates serialization spec

Author: picandocodigo

elasticsearch-model/gemfiles/6.0.gemfile

@@ -26,6 +26,7 @@ gemspec path: '../'
 
 gem 'activemodel',  '6.0'
 gem 'activerecord', '6.0'
+gem 'activesupport', '6.0'
 gem 'sqlite3' unless defined?(JRUBY_VERSION)
 # gem 'mongoid', '~> 6'
 

elasticsearch-model/gemfiles/7.0.gemfile

@@ -26,6 +26,7 @@ gemspec path: '../'
 
 gem 'activemodel',  '7.0'
 gem 'activerecord', '7.0'
+gem 'activesupport', '7.0'
 gem 'sqlite3' unless defined?(JRUBY_VERSION)
 
 group :development, :testing do

elasticsearch-model/gemfiles/7.1.gemfile

@@ -26,6 +26,7 @@ gemspec path: '../'
 
 gem 'activemodel',  '7.1'
 gem 'activerecord', '7.1'
+gem 'activesupport', '7.1'
 gem 'sqlite3' unless defined?(JRUBY_VERSION)
 
 group :development, :testing do

elasticsearch-model/spec/elasticsearch/model/adapters/active_record/serialization_spec.rb

@@ -52,9 +52,10 @@
     end
 
     context 'when a document is updated' do
-
       before do
-        article.update_attributes(title: 'UPDATED', status: 'yellow')
+        article.update_attribute(:title, 'UPDATED')
+        article.update_attribute(:status, 'yellow')
+
         ArticleWithCustomSerialization.__elasticsearch__.refresh_index!
       end