Update dependency ruby-fann to v1.4.1

Author: renovate[bot]

Gemfile

@@ -39,7 +39,7 @@ gem 'rack-test', '2.1.0'
 gem 'rake', '13.0.6', require: false
 gem 'rubocop', '1.55.1', require: false
 gem 'rubocop-rspec', '2.23.2', require: false
-gem 'ruby-fann', '1.4.0'
+gem 'ruby-fann', '1.4.1'
 gem 'sass', '3.7.4'
 gem 'sentry-raven', '3.1.2'
 gem 'simplecov', '0.22.0'

Gemfile.lock

@@ -146,7 +146,7 @@ GEM
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)
-    ruby-fann (1.4.0)
+    ruby-fann (1.4.1)
     ruby-filemagic (0.7.3)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
@@ -228,7 +228,7 @@ DEPENDENCIES
   rake (= 13.0.6)
   rubocop (= 1.55.1)
   rubocop-rspec (= 2.23.2)
-  ruby-fann (= 1.4.0)
+  ruby-fann (= 1.4.1)
   sass (= 3.7.4)
   sentry-raven (= 3.1.2)
   simplecov (= 0.22.0)