Bump rouge from 3.1.1 to 3.2.1 (#544) [ci skip]

Bumps [rouge](https://github.com/jneen/rouge) from 3.1.1 to 3.2.1.
- [Release notes](https://github.com/jneen/rouge/releases)
- [Changelog](https://github.com/jneen/rouge/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jneen/rouge/compare/v3.1.1...v3.2.1)

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

Gemfile

@@ -76,7 +76,7 @@ gem "recaptcha", "~> 4.6", require: "recaptcha/rails"
 gem "redcarpet", "~> 3.4"
 gem "reverse_markdown", "~> 1.0"
 gem "rolify", "~> 5.2"
-gem "rouge", "~> 3.1"
+gem "rouge", "~> 3.2"
 gem "s3_direct_upload", "~> 0.1"
 gem "sass-rails", "~> 5.0"
 gem "sdoc", "~> 0.4", group: :doc

Gemfile.lock

@@ -717,7 +717,7 @@ GEM
     reverse_markdown (1.0.5)
       nokogiri
     rolify (5.2.0)
-    rouge (3.1.1)
+    rouge (3.2.1)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)
@@ -1011,7 +1011,7 @@ DEPENDENCIES
   redcarpet (~> 3.4)
   reverse_markdown (~> 1.0)
   rolify (~> 5.2)
-  rouge (~> 3.1)
+  rouge (~> 3.2)
   rspec-rails (~> 3.7)
   rspec-retry (~> 0.6)
   rubocop (~> 0.57)