Update CI to Ubuntu 18.04 (drupal-composer#520)

webflo · shrop · commit 108312a84ae6 · 2020-04-11T19:40:20.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: php
-dist: trusty
+dist: bionic
 sudo: false
 
 php:
