Update 2.9 Release notes with 4523

docs/release-notes/version-2.9.md

@@ -4,6 +4,7 @@
 
 ### Bug Fixes
 
+& [#4523](https://github.com/netbox-community/netbox/issues/4523) - Populate site vlan list when bulk editing interfaces under certain circumstances
 * [#5174](https://github.com/netbox-community/netbox/issues/5174) - Ensure consistent alignment of rack elevations
 * [#5175](https://github.com/netbox-community/netbox/issues/5175) - Fix toggling of rack elevation order
 * [#5184](https://github.com/netbox-community/netbox/issues/5184) - Fix missing Power Utilization