Fix sidekiq-reliable-fetch version

Gemfile

@@ -165,7 +165,7 @@ gem 'acts-as-taggable-on', '~> 5.0'
 gem 'sidekiq', '~> 5.2.1'
 gem 'sidekiq-cron', '~> 0.6.0'
 gem 'redis-namespace', '~> 1.6.0'
-gem 'gitlab-sidekiq-fetcher', '~> 0.1.0', require: 'sidekiq-reliable-fetch'
+gem 'gitlab-sidekiq-fetcher', '~> 0.4.0', require: 'sidekiq-reliable-fetch'
 
 # Cron Parser
 gem 'rufus-scheduler', '~> 3.4'

Gemfile.lock

@@ -280,7 +280,7 @@ GEM
     gitlab-default_value_for (3.1.1)
       activerecord (>= 3.2.0, < 6.0)
     gitlab-markup (1.6.5)
-    gitlab-sidekiq-fetcher (0.1.0)
+    gitlab-sidekiq-fetcher (0.4.0)
       sidekiq (~> 5)
     gitlab-styles (2.4.1)
       rubocop (~> 0.54.0)
@@ -1012,7 +1012,7 @@ DEPENDENCIES
   github-markup (~> 1.7.0)
   gitlab-default_value_for (~> 3.1.1)
   gitlab-markup (~> 1.6.5)
-  gitlab-sidekiq-fetcher (~> 0.1.0)
+  gitlab-sidekiq-fetcher (~> 0.4.0)
   gitlab-styles (~> 2.4)
   gitlab_omniauth-ldap (~> 2.0.4)
   gon (~> 6.2)