feat: Use release 1.3.1

Signed-off-by: Julien Riou <julien@riou.xyz>

defaults/main.yml

@@ -1,5 +1,5 @@
 ---
-coller_version: 1.2.0
+coller_version: 1.3.1
 coller_config_dir: /etc/coller
 coller_port: 8080
 coller_manage_iptables: false

tasks/main.yml

@@ -2,7 +2,7 @@
 - name: check password
   ansible.builtin.assert:
     that:
-      - coller_db_password | mandatory
+      - coller_db_password is defined
 
 - name: download source code
   ansible.builtin.git: