Update ubuntu version

jrmhaig · jrmhaig · commit 74a383045792 · 2021-05-02T21:29:03.000+01:00
Chrome addon requires &gt;= xenial
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: ruby
 sudo: required
-dist: trusty
+dist: focal
 addons:
   chrome: stable
 cache:
