Update deprecated travis image and don't require sudo

kpbochenek · kpbochenek · commit ace09d491832 · 2020-08-25T10:46:22.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,4 @@
-sudo: required
-dist: trusty
+dist: xenial
 
 language: scala
 scala:
