chore: bump version to 1.2.0

Version 1.2.0 includes:
- Display class integration for Ansible-standard verbosity
- Enhanced --diff flag showing detailed record changes
- Improved logging following Ansible Developer Guide
- Compliance with ansible-creator agents.md specifications

galaxy.yml

@@ -5,7 +5,7 @@
 
 namespace: "valid"
 name: "nsupdate_zone"
-version: 1.1.0
+version: 1.2.0
 readme: README.md
 authors:
   - Dan Kercher