Bump jbuilder from 2.8.0 to 2.9.1 (#2898) [ci skip]

Bumps [jbuilder](https://github.com/rails/jbuilder) from 2.8.0 to 2.9.1.
- [Release notes](https://github.com/rails/jbuilder/releases)
- [Changelog](https://github.com/rails/jbuilder/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rails/jbuilder/compare/v2.8.0...v2.9.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Gemfile

@@ -54,7 +54,7 @@ gem "google-api-client", "~> 0.29" # Client for accessing Google APIs
 gem "html_truncator", "~> 0.4" # Truncate an HTML string properly
 gem "httparty", "~> 0.16" # Makes http fun! Also, makes consuming restful web services dead easy
 gem "inline_svg", "~> 1.4" # Embed SVG documents in your Rails views and style them with CSS
-gem "jbuilder", "~> 2.8" # Create JSON structures via a Builder-style DSL
+gem "jbuilder", "~> 2.9" # Create JSON structures via a Builder-style DSL
 gem "jquery-rails", "~> 4.3" #  A gem to automate using jQuery with Rails
 gem "kaminari", "~> 1.1" # A Scope & Engine based, clean, powerful, customizable and sophisticated paginator
 gem "liquid", "~> 4.0" # A secure, non-evaling end user template engine with aesthetic markup

Gemfile.lock

@@ -424,9 +424,8 @@ GEM
       nokogiri (>= 1.6)
     ipaddress (0.8.3)
     jaro_winkler (1.5.2)
-    jbuilder (2.8.0)
+    jbuilder (2.9.1)
       activesupport (>= 4.2.0)
-      multi_json (>= 1.2)
     jmespath (1.4.0)
     jquery-fileupload-rails (0.4.7)
       actionpack (>= 3.1)
@@ -882,7 +881,7 @@ DEPENDENCIES
   html_truncator (~> 0.4)
   httparty (~> 0.16)
   inline_svg (~> 1.4)
-  jbuilder (~> 2.8)
+  jbuilder (~> 2.9)
   jquery-rails (~> 4.3)
   kaminari (~> 1.1)
   launchy (~> 2.4)