Bump rake from 10.5.0 to 12.3.0

Bumps [rake](https://github.com/ruby/rake) from 10.5.0 to 12.3.0.
- [Changelog](https://github.com/ruby/rake/blob/master/History.rdoc)
- [Commits](ruby/rake@v10.5.0...v12.3.0)

Gemfile

@@ -20,7 +20,7 @@ gem 'mysql2', '0.4.10'
 gem 'nokogiri', '>= 1.8.1'
 gem 'pg', '~> 0.18'
 gem 'pundit', '1.1.0'
-gem 'rake', '10.5.0'
+gem 'rake', '12.3.0'
 gem 'rails-html-sanitizer', '1.0.3'
 gem 'redis', '3.3.5'
 gem 'rotp', '~> 3.3.0'

Gemfile.lock

@@ -268,7 +268,7 @@ GEM
     rainbow (2.2.2)
       rake
     raindrops (0.19.0)
-    rake (10.5.0)
+    rake (12.3.0)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -427,7 +427,7 @@ DEPENDENCIES
   rails (= 5.1.5)
   rails-controller-testing
   rails-html-sanitizer (= 1.0.3)
-  rake (= 10.5.0)
+  rake (= 12.3.0)
   redis (= 3.3.5)
   rotp (~> 3.3.0)
   rqrcode