On debian 11 don't use external APT repo

- Change apt gpg key operations to avoid deprecated apt-key command
- Backup config files on changes
- Metadata for galaxy
- Updates for newer ansible-lint

Change-Id: I5f9a75141dd64f867b81c899f1a2c933c51737d6
diff --git a/meta/main.yml b/meta/main.yml
index 7822d06..1eb961f 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -5,6 +5,9 @@
 # SPDX-License-Identifier: Apache-2.0
 
 galaxy_info:
+  role_name: bird
+  namespace: onf
+
   author: Open Networking Foundation
   description: BIRD routing daemon
   company: Open Networking Foundation
@@ -16,12 +19,15 @@
   min_ansible_version: 2.9.5
 
   platforms:
-    - name: Ubuntu
+    - name: ubuntu
       versions:
-        - "16.04"
-        - "18.04"
+        - bionic
+    - name: Debian
+      versions:
+        - bullseye
 
   galaxy_tags:
     - bird
+    - bgp
 
 dependencies: []