Upgrade better_errors gem to 2.7.1

Gemfile

@@ -339,7 +339,7 @@ group :development do
   gem 'letter_opener_web', '~> 1.3.4'
 
   # Better errors handler
-  gem 'better_errors', '~> 2.5.0'
+  gem 'better_errors', '~> 2.7.1'
   gem 'binding_of_caller', '~> 0.8.0'
 
   # thin instead webrick

Gemfile.lock

@@ -111,7 +111,7 @@ GEM
     benchmark-ips (2.3.0)
     benchmark-memory (0.1.2)
       memory_profiler (~> 0.9)
-    better_errors (2.5.0)
+    better_errors (2.7.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -1190,7 +1190,7 @@ DEPENDENCIES
   bcrypt_pbkdf (~> 1.0)
   benchmark-ips (~> 2.3.0)
   benchmark-memory (~> 0.1)
-  better_errors (~> 2.5.0)
+  better_errors (~> 2.7.1)
   binding_of_caller (~> 0.8.0)
   bootsnap (~> 1.4.6)
   bootstrap_form (~> 4.2.0)