Update 3.9.5 release notes

Author: michaelklishin

release-notes/3.9.5.md

@@ -15,6 +15,10 @@ consistent release schedule.
 
 #### Bug Fixes
 
+ * Virtual host metadata (description, tags) was not imported from definitions.
+
+   GitHub issue: [#3333](https://github.com/rabbitmq/rabbitmq-server/pull/3333)
+
  * Reduced unnecessary debug logging from streams.
 
    GitHub issue: [#3279](https://github.com/rabbitmq/rabbitmq-server/pull/3279)