New postgres minimum version in Travis.

Mike Churchward · Mike Churchward · commit b782b33cf090 · 2020-11-18T14:44:12.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: php
 
 addons:
-  postgresql: "9.5"
+  postgresql: "9.6"
 
 services:
   - mysql
