Bump Travis CI default OS from trusty to xenial

schlessera · schlessera · commit 5bfadc1b5914 · 2020-04-13T09:42:41.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,12 @@
 os: linux
-dist: trusty
+dist: xenial
 
 language: php
 php: 7.3
 
+services:
+  - mysql
+
 notifications:
   email:
     on_success: never
