Fix metadata for Galaxy, lint

Change-Id: I9e9b1e61e28e3db22f81e1bc3b85188e9ce612cd
diff --git a/meta/main.yml b/meta/main.yml
index 57db370..e51b4f7 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -6,6 +6,8 @@
 
 galaxy_info:
   role_name: redis
+  namespace: onf
+
   author: Open Networking Foundation
   description: Redis in-memory key-value store
   company: Open Networking Foundation
@@ -14,12 +16,15 @@
 
   license: Apache-2.0
 
-  min_ansible_version: 2.9.5
+  min_ansible_version: 2.10.17
 
   platforms:
-    - name: Ubuntu
+    - name: ubuntu
       versions:
-        - "18.04"
+        - bionic
+    - name: Debian
+      versions:
+        - bullseye
 
   galaxy_tags:
     - redis