travis: Run on Bionic

sjanc · sjanc · commit 904a93f527a9 · 2021-03-12T12:01:33.000+01:00
Update the Travis environment to use Bionic (18.04) instead of Xenial
(16.04) due to issues installing gcc-multilib.
diff --git a/.travis.yml b/.travis.yml
@@ -17,6 +17,8 @@
 
 language: go
 
+dist: bionic
+
 _addons: &addon_conf
   apt:
     sources:
