fix version to 1.2.0

Author: Simon Kowallik

ansible_collections/f5_ps_ansible/f5os/galaxy.yml

@@ -1,7 +1,7 @@
 ---
 namespace: f5_ps_ansible
 name: f5os
-version: 1.1.0
+version: 1.2.0
 readme: README.md
 authors:
 - Simon Kowallik <[email protected]>