Update .travis.yml

jimmiw · web-flow · commit 73ff10b28e4a · 2020-10-21T00:12:23.000+02:00
update to newer ubuntu dist
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: php
 
-dist: trusty
+dist: focal
 php:
   - 7.0
   - 7.1
