Merge pull request #4490 from alphagov/dependabot/bundler/better_errors-2.7.0

Bump better_errors from 2.6.0 to 2.7.0

Author: theseanything

Gemfile.lock

@@ -59,7 +59,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.0)
-    better_errors (2.6.0)
+    better_errors (2.7.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)