Update i18n-tasks to master (#9139)

Gemfile

@@ -95,7 +95,7 @@ gem 'rdf-normalize', '~> 0.3'
 group :development, :test do
   gem 'fabrication', '~> 2.20'
   gem 'fuubar', '~> 2.3'
-  gem 'i18n-tasks', '~> 0.9', require: false, git: 'https://github.com/Gargron/i18n-tasks.git', ref: 'ab6e10878ccdb6243f934f30372276d260c14251'
+  gem 'i18n-tasks', '~> 0.9', require: false, git: 'https://github.com/glebm/i18n-tasks.git', branch: 'master', ref: 'a1c9089b4ffed4f33e3b3a1bb2378d7a23445c0f'
   gem 'pry-byebug', '~> 3.6'
   gem 'pry-rails', '~> 0.3'
   gem 'rspec-rails', '~> 3.8'

Gemfile.lock

 GIT
-  remote: https://github.com/Gargron/i18n-tasks.git
-  revision: ab6e10878ccdb6243f934f30372276d260c14251
-  ref: ab6e10878ccdb6243f934f30372276d260c14251
+  remote: https://github.com/glebm/i18n-tasks.git
+  revision: a1c9089b4ffed4f33e3b3a1bb2378d7a23445c0f
+  ref: a1c9089b4ffed4f33e3b3a1bb2378d7a23445c0f
+  branch: master
   specs:
     i18n-tasks (0.9.27)
       activesupport (>= 4.0.2)