Bump feedjira from 3.0.0 to 3.1.0 (#4920)

Bumps [feedjira](https://github.com/feedjira/feedjira) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/feedjira/feedjira/releases)
- [Changelog](https://github.com/feedjira/feedjira/blob/master/CHANGELOG.md)
- [Commits](https://github.com/feedjira/feedjira/commits)

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

Gemfile

@@ -41,7 +41,7 @@ gem "envied", "~> 0.9" # Ensure presence and type of your app's ENV-variables
 gem "fast_jsonapi", "~> 1.5" # Serializer for Ruby objects
 gem "fastly", "~> 1.15" # Client library for the Fastly acceleration system
 gem "fastly-rails", "~> 0.8" # Fastly dynamic caching integration for Rails
-gem "feedjira", "~> 3.0" # A feed fetching and parsing library
+gem "feedjira", "~> 3.1" # A feed fetching and parsing library
 gem "figaro", "~> 1.1" # Simple, Heroku-friendly Rails app configuration using ENV and a single YAML file
 gem "fog-aws", "~> 3.5" # 'fog' gem to support Amazon Web Services
 gem "front_matter_parser", "~> 0.2" # Parse a front matter from syntactically correct strings or files

Gemfile.lock

@@ -329,8 +329,8 @@ GEM
     fastly-rails (0.8.0)
       fastly (~> 1.6)
       railties (> 2, < 6)
-    feedjira (3.0.0)
-      loofah (>= 2.2.1)
+    feedjira (3.1.0)
+      loofah (>= 2.3.1)
       sax-machine (>= 1.0)
     ffi (1.11.2)
     figaro (1.1.1)
@@ -908,7 +908,7 @@ DEPENDENCIES
   fast_jsonapi (~> 1.5)
   fastly (~> 1.15)
   fastly-rails (~> 0.8)
-  feedjira (~> 3.0)
+  feedjira (~> 3.1)
   figaro (~> 1.1)
   fix-db-schema-conflicts (~> 3.0)
   fog-aws (~> 3.5)