Travis CI: Use correct apt repository

Change from xenial-pgdg to bionic-pgdg.

diff --git a/.travis.yml b/.travis.yml
index 374d6f650a29d7dc86329df406089ba7217a7c40..cdd5bcb882ea7198555a937ad10c8771d583e283 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ language: c
 addons:
   apt:
     sources:
-      - sourceline: 'deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main'
+      - sourceline: 'deb http://apt.postgresql.org/pub/repos/apt/ bionic-pgdg main'
         key_url: 'https://www.postgresql.org/media/keys/ACCC4CF8.asc'
     update: true
     packages: