Upgrade i18n (faker-ruby#1685)

* Upgrade i18n

i18n Gem for Ruby lib/i18n/core_ext/hash.rb Hash#slice() Function Hash
Handling DoS

This address CVE-2014-10077

For more information:
  * ruby-i18n/i18n#289

* Update faker.gemspec

Gemfile.lock

@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     faker (2.1.0)
-      i18n (>= 0.7)
+      i18n (>= 0.8)
 
 GEM
   remote: https://rubygems.org/

faker.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
 
   spec.summary     = 'Easily generate fake data'
   spec.description = 'Faker, a port of Data::Faker from Perl, is used to easily generate fake data: names, addresses, phone numbers, etc.'
-  spec.homepage    = 'https://github.com/stympy/faker'
+  spec.homepage    = 'https://github.com/faker-ruby/faker'
   spec.license     = 'MIT'
 
   spec.files         = Dir['lib/**/*'] + %w[History.md License.txt CHANGELOG.md README.md]
@@ -21,11 +21,11 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
   spec.required_ruby_version = '>= 2.3'
 
-  spec.metadata['changelog_uri'] = 'https://github.com/stympy/faker/blob/master/CHANGELOG.md'
-  spec.metadata['source_code_uri'] = 'https://github.com/stympy/faker'
-  spec.metadata['bug_tracker_uri'] = 'https://github.com/stympy/faker/issues'
+  spec.metadata['changelog_uri'] = 'https://github.com/faker-ruby/faker/blob/master/CHANGELOG.md'
+  spec.metadata['source_code_uri'] = 'https://github.com/faker-ruby/faker'
+  spec.metadata['bug_tracker_uri'] = 'https://github.com/faker-ruby/faker/issues'
 
-  spec.add_dependency('i18n', '>= 0.7')
+  spec.add_dependency('i18n', '>= 0.8')
 
   spec.add_development_dependency('minitest', '5.11.3')
   spec.add_development_dependency('pry', '0.12.2')