Merge pull request #3889 from alphagov/dependabot/bundler/better_errors-2.5.1

Author: cbaines

Gemfile.lock

@@ -51,7 +51,7 @@ GEM
     ast (2.4.0)
     aws-xray-sdk (0.10.2)
       oj (~> 3.0)
-    better_errors (2.5.0)
+    better_errors (2.5.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)