Use bionic

Fred78290 · Fred78290 · commit 33b92fea9aaa · 2021-02-28T12:57:54.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 # Use the newer Travis-CI build templates based on the
 # Debian Linux distribution "Xenial" release.
 os: linux
-dist: xenial
+dist: bionic
 language: minimal
 git:
   depth: false
