Update rubies to the latest patch levels

deivid-rodriguez · deivid-rodriguez · commit c01b8d567eec · 2019-03-19T17:23:44.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,9 +10,9 @@ rvm:
   - 2.0.0
   - 2.1.10
   - 2.2.10
-  - 2.3.7
-  - 2.4.4
-  - 2.5.1
+  - 2.3.8
+  - 2.4.5
+  - 2.5.5
   - ruby-head
 matrix:
   allow_failures:
