Fix travis build by updating ruby version

ERROR: Error installing danger: kramdown requires Ruby version >= 2.3.
2019-12-04 09:26:36 +00:00 · 2019-12-04 09:26:36 +00:00 · af8b61865c
parent c9be27cb30
commit af8b61865c
1 changed files with 1 additions and 1 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,6 +1,6 @@
 language: ruby
 rvm:
-    - 2.2
+    - 2.6
 before_script:
  - gem install awesome_bot
  - gem install danger