chore(ci): Add Ruby 2.6, drop Ruby 2.3

DirtyF · web-flow · commit ca86372c3e5d · 2019-01-06T20:08:37.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,8 +7,8 @@ branches:
   only:
     - master
 rvm:
-  - 2.5
-  - 2.3
+  - 2.6
+  - 2.4
 env:
   - ""
   - JEKYLL_VERSION=3.7.4

-Original file line number
+Diff line change
   only:
     - master
 rvm:
 -  - 2.5
 -  - 2.3
 +  - 2.6
 +  - 2.4
 env:
   - ""
   - JEKYLL_VERSION=3.7.4