Relaxed jbuilder dependency in Gemfile template

guides/code/getting_started/Gemfile

@@ -23,7 +23,7 @@ gem 'jquery-rails'
 gem 'turbolinks'
 
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 1.0.1'
+gem 'jbuilder', '~> 1.2'
 
 # To use ActiveModel has_secure_password
 # gem 'bcrypt-ruby', '~> 3.0.0'

guides/code/getting_started/Gemfile.lock

@@ -92,7 +92,7 @@ GEM
       multi_json (~> 1.0)
     hike (1.2.1)
     i18n (0.6.1)
-    jbuilder (1.0.2)
+    jbuilder (1.3.0)
       activesupport (>= 3.0.0)
     jquery-rails (2.2.0)
       railties (>= 3.0, < 5.0)

railties/lib/rails/generators/rails/app/templates/Gemfile

@@ -10,7 +10,7 @@ source 'https://rubygems.org'
 <%= javascript_gemfile_entry -%>
 
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 1.0.1'
+gem 'jbuilder', '~> 1.2'
 
 # To use ActiveModel has_secure_password
 # gem 'bcrypt-ruby', '~> 3.0.0'