Update Changelog.md

Changelog.md

 # Changelog
 
 All notable changes to this project will be documented in this file.
+## [0.9] - 2024-03-20
+- `migrate_iptrunk` workflow includes Ansible trunk checks.
+- `create_iptrunk` and `migrate_iptrunk` now update IPAM / DNS.
+- lso result step title is now always the name of the provisioning step
 
 ## [0.8] - 2024-02-28
 - Add two new workflows for "activating" `Router` and `Iptrunk` products.