Fix the metadata.

meta/main.yml

@@ -1,13 +1,11 @@
 galaxy_info:
   author: Andrea Dell'Amico
-  description: Systems Architect
+  description: Role that manages users and databases of a PostgreSQL service
   company: ISTI-CNR
-
-  issue_tracker_url: https://redmine-s2i2s.isti.cnr.it/projects/provisioning
-
+  namespace: adellam
+  role_name: pgsql_db_management
   license: EUPL 1.2+
-
-  min_ansible_version: 2.8
+  min_ansible_version: "2.9"
 
   # To view available platforms and versions (or releases), visit:
   # https://galaxy.ansible.com/api/v1/platforms/
@@ -16,6 +14,9 @@ galaxy_info:
     - name: Ubuntu
       versions:
         - bionic
+        - xenial
+        - focal
+        - jammy
 
   galaxy_tags:
     - users