Bump ransack from 2.3.0 to 2.4.1

Bumps [ransack](https://github.com/activerecord-hackery/ransack) from 2.3.0 to 2.4.1.
- [Release notes](https://github.com/activerecord-hackery/ransack/releases)
- [Changelog](https://github.com/activerecord-hackery/ransack/blob/master/CHANGELOG.md)
- [Commits](https://github.com/activerecord-hackery/ransack/compare/v2.3.0...2.4.1)

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

Gemfile

@@ -9,7 +9,7 @@ gem 'rails', '~> 5.2'
 gem 'activemerchant', '>= 1.78.0'
 gem 'angular-rails-templates', '>= 0.3.0'
 gem 'awesome_nested_set'
-gem 'ransack', '2.3.0'
+gem 'ransack', '2.4.1'
 gem 'responders'
 gem 'sass', '<= 4.7.1'
 gem 'sass-rails', '< 6.0.0'

Gemfile.lock

@@ -386,8 +386,6 @@ GEM
     paypal-sdk-merchant (1.117.2)
       paypal-sdk-core (~> 0.3.0)
     pg (0.21.0)
-    polyamorous (2.3.0)
-      activerecord (>= 5.0)
     power_assert (2.0.0)
     pry (0.13.1)
       coderay (~> 1.1)
@@ -442,12 +440,10 @@ GEM
     rainbow (3.0.0)
     raindrops (0.19.1)
     rake (13.0.3)
-    ransack (2.3.0)
-      actionpack (>= 5.0)
-      activerecord (>= 5.0)
-      activesupport (>= 5.0)
+    ransack (2.4.1)
+      activerecord (>= 5.2.4)
+      activesupport (>= 5.2.4)
       i18n
-      polyamorous (= 2.3.0)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -709,7 +705,7 @@ DEPENDENCIES
   rails-controller-testing
   rails-i18n
   rails_safe_tasks (~> 1.0)
-  ransack (= 2.3.0)
+  ransack (= 2.4.1)
   redcarpet
   responders
   roadie-rails (~> 1.3.0)