Update rubies in CI

Author: kachick

.travis.yml

@@ -4,56 +4,56 @@ sudo: false
 
 matrix:
   include:
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       script:
         - bundle exec danger
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       gemfile: Gemfile
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       gemfile: gemfiles/rack_edge.gemfile
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       gemfile: gemfiles/rack_1.5.2.gemfile
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       gemfile: gemfiles/rails_edge.gemfile
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       gemfile: gemfiles/rails_5.gemfile
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       gemfile: gemfiles/multi_json.gemfile
       script:
         - bundle exec rake
         - bundle exec rspec spec/integration/multi_json
-    - rvm: 2.4.1
+    - rvm: 2.4.2
       gemfile: gemfiles/multi_xml.gemfile
       script:
         - bundle exec rake
         - bundle exec rspec spec/integration/multi_xml
-    - rvm: 2.3.4
+    - rvm: 2.3.5
       gemfile: Gemfile
-    - rvm: 2.3.4
+    - rvm: 2.3.5
       gemfile: gemfiles/rack_edge.gemfile
-    - rvm: 2.3.4
+    - rvm: 2.3.5
       gemfile: gemfiles/rack_1.5.2.gemfile
-    - rvm: 2.3.4
+    - rvm: 2.3.5
       gemfile: gemfiles/rails_edge.gemfile
-    - rvm: 2.3.4
+    - rvm: 2.3.5
       gemfile: gemfiles/rails_5.gemfile
-    - rvm: 2.2.7
+    - rvm: 2.2.8
       gemfile: Gemfile
-    - rvm: 2.2.7
+    - rvm: 2.2.8
       gemfile: gemfiles/rack_1.5.2.gemfile
-    - rvm: 2.2.7
+    - rvm: 2.2.8
       gemfile: gemfiles/rails_5.gemfile
-    - rvm: 2.2.7
+    - rvm: 2.2.8
       gemfile: gemfiles/rails_4.gemfile
-    - rvm: 2.2.7
+    - rvm: 2.2.8
       gemfile: gemfiles/rails_3.gemfile
     - rvm: ruby-head
     - rvm: jruby-head
-    - rvm: rbx-2
+    - rvm: rbx-3
   allow_failures:
     - rvm: ruby-head
     - rvm: jruby-head
-    - rvm: rbx-2
+    - rvm: rbx-3
 
 bundler_args: --without development