Switching to Xenial because of missing php extentions

wigman · web-flow · commit 5b65339c3649 · 2020-05-11T21:06:11.000+02:00
GD and ZIP are supposed to be available on Xenial build of php 7.4
Let's see...
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 os: linux
-dist: trusty
+dist: xenial
 group: edge
 services:
   - elasticsearch
