.travis.yml in danger-todoist-1.2.3 vs .travis.yml in danger-todoist-1.3.0

@@ -2,13 +2,12 @@
 cache:
   directories:
     - bundle
 
 rvm:
-  - 2.0
-  - 2.1.10
-  - 2.3.3
-  - 2.4.0
+  - 2.3.8
+  - 2.4.5
+  - 2.5.3
 
 before_install:
   - gem update --system
   - gem install bundler