Bump faker from 2.5.0 to 2.6.0 (mastodon#12244)

Bumps [faker](https://github.com/faker-ruby/faker) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/faker-ruby/faker/releases)
- [Changelog](https://github.com/faker-ruby/faker/blob/master/CHANGELOG.md)
- [Commits](faker-ruby/faker@v2.5.0...v2.6.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Gemfile

@@ -116,7 +116,7 @@ end
 group :test do
   gem 'capybara', '~> 3.29'
   gem 'climate_control', '~> 0.2'
-  gem 'faker', '~> 2.5'
+  gem 'faker', '~> 2.6'
   gem 'microformats', '~> 4.1'
   gem 'rails-controller-testing', '~> 1.0'
   gem 'rspec-sidekiq', '~> 3.0'

Gemfile.lock

@@ -240,8 +240,8 @@ GEM
       tzinfo
     excon (0.62.0)
     fabrication (2.20.2)
-    faker (2.5.0)
-      i18n (~> 1.6.0)
+    faker (2.6.0)
+      i18n (>= 1.6, < 1.8)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     fast_blank (1.0.0)
@@ -305,7 +305,7 @@ GEM
     httplog (1.3.2)
       rack (>= 1.0)
       rainbow (>= 2.0.0)
-    i18n (1.6.0)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     i18n-tasks (0.9.29)
       activesupport (>= 4.0.2)
@@ -709,7 +709,7 @@ DEPENDENCIES
   doorkeeper (~> 5.2)
   dotenv-rails (~> 2.7)
   fabrication (~> 2.20)
-  faker (~> 2.5)
+  faker (~> 2.6)
   fast_blank (~> 1.0)
   fastimage
   fog-core (<= 2.1.0)