add ruby-progressbar to gemfile (fixes #6110) (#6111)

Gemfile

@@ -58,6 +58,7 @@ gem 'redis', '~> 3.3', require: ['redis', 'redis/connection/hiredis']
 gem 'mario-redis-lock', '~> 1.2', require: 'redis_lock'
 gem 'rqrcode', '~> 0.10'
 gem 'ruby-oembed', '~> 0.12', require: 'oembed'
+gem 'ruby-progressbar', '~> 1.4'
 gem 'sanitize', '~> 4.4'
 gem 'sidekiq', '~> 5.0'
 gem 'sidekiq-scheduler', '~> 2.1'

Gemfile.lock

@@ -621,6 +621,7 @@ DEPENDENCIES
   rspec-sidekiq (~> 3.0)
   rubocop
   ruby-oembed (~> 0.12)
+  ruby-progressbar (~> 1.4)
   sanitize (~> 4.4)
   scss_lint (~> 0.55)
   sidekiq (~> 5.0)
@@ -643,4 +644,4 @@ RUBY VERSION
    ruby 2.4.2p198
 
 BUNDLED WITH
-   1.16.0
+   1.16.1