Upgrade to Ubuntu 20.04 Focal Fossa for CI

ddobrev · tritao · commit 0f4ee4c335e5 · 2020-05-10T23:02:29.000+01:00
Signed-off-by: Dimitar Dobrev &lt;dpldobrev@protonmail.com&gt;
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,7 @@ os:
 
 osx_image: xcode11.3
 
-dist: bionic
+dist: focal
 
 addons:
   apt:
