Upgrade postgresql role to latest version for Ubuntu 18.04 support.

Author: geerlingguy

provisioning/requirements.yml

@@ -66,7 +66,7 @@
 - src: geerlingguy.postfix
   version: 2.0.0
 - src: geerlingguy.postgresql
-  version: 1.4.1
+  version: 1.4.3
 - src: geerlingguy.redis
   version: 1.6.0
 - src: geerlingguy.repo-remi

provisioning/roles/geerlingguy.postgresql/.travis.yml

@@ -8,6 +8,9 @@ env:
   - distro: centos6
     postgresql_bin_dir: /usr/bin
     postgresql_data_dir: /var/lib/pgsql/data
+  - distro: ubuntu1804
+    postgresql_bin_dir: /usr/lib/postgresql/10/bin
+    postgresql_data_dir: /var/lib/postgresql/10/main
   - distro: ubuntu1604
     postgresql_bin_dir: /usr/lib/postgresql/9.5/bin
     postgresql_data_dir: /var/lib/postgresql/9.5/main