Update foreman from 0.78.0 to 0.84.0

Gemfile

@@ -300,7 +300,7 @@ group :metrics do
 end
 group :development do
-  gem 'foreman', '~> 0.78.0'
+  gem 'foreman', '~> 0.84.0'
   gem 'brakeman', '~> 3.6.0', require: false
   gem 'letter_opener_web', '~> 1.3.0'

Gemfile.lock

@@ -265,7 +265,7 @@ GEM
       nokogiri (>= 1.5.11, < 2.0.0)
     font-awesome-rails (4.7.0.1)
       railties (>= 3.2, < 5.1)
-    foreman (0.78.0)
+    foreman (0.84.0)
       thor (~> 0.19.1)
     formatador (0.2.5)
     fuubar (2.2.0)
@@ -1055,7 +1055,7 @@ DEPENDENCIES
   fog-openstack (~> 0.1)
   fog-rackspace (~> 0.1.1)
   font-awesome-rails (~> 4.7)
-  foreman (~> 0.78.0)
+  foreman (~> 0.84.0)
   fuubar (~> 2.2.0)
   gemnasium-gitlab-service (~> 0.2)
   gemojione (~> 3.3)

changelogs/unreleased/44160-update-foreman-to-0-84-0.yml

+---
+title: Update foreman from 0.78.0 to 0.84.0
+merge_request: 17690
+author: Takuya Noguchi
+type: other