.travis.yml in danger-go-0.0.2 vs .travis.yml in danger-go-0.0.3

@@ -1,5 +1,8 @@
 language: ruby
+cache:
+  directories:
+    - bundle
 
 rvm:
   - 2.6.0
   - 2.5.3
   - 2.4.5
\ No newline at end of file