ci(deploy.yml): specify a path to WAR file that is relative to a playbook.

This change makes deployment work on Ansible of the older (>=2.1.10) and newer versions.

Correction for 1bf3966 commit.

Prerequisite for #1142

Author: php-coder

src/main/scripts/ci/ansible/deploy.yml

@@ -4,7 +4,7 @@
   gather_facts: no
   remote_user: mystamps
   vars:
-    local_war_dir: ../../../../../target
+    local_war_dir: "{{ playbook_dir }}/../../../../../target"
     remote_war_dir: /data/mystamps
     uptimerobot:
       monitorid: 'MyStamps'