Fix the metadata.

.gitignore

@@ -1,3 +1,4 @@
 # ---> Ansible
 *.retry
 
+.vscode/settings.json

meta/main.yml

@@ -1,19 +1,13 @@
 ---
 galaxy_info:
   description: Ansible role that installs grafana
+  namespace: adellam
   role_name: grafana
   author: Andrea Dell'Amico
   company: ISTI-CNR
-
-  issue_tracker_url: https://redmine-s2i2s.isti.cnr.it/projects/provisioning
-
   license: EUPL 1.2+
-
   min_ansible_version: "2.8"
 
-  # To view available platforms and versions (or releases), visit:
-  # https://galaxy.ansible.com/api/v1/platforms/
-  #
   platforms:
     - name: Ubuntu
       versions:
@@ -24,6 +18,7 @@ galaxy_info:
       versions:
         - "7"
         - "8"
+        - "9"
 
   galaxy_tags:
     - grafana