Fix a broken 4.3.0 release notes link #14769

Author: michaelklishin

release-notes/4.3.0.md

@@ -11,7 +11,7 @@ This release removes the original classic queue storage implementation these day
 known as CQv1. A 2nd generation implementation called CQv2 has been adopted
 as the default starting with `4.2.0`.
 
-This means that attemptes to declare a queue using the following [optional queue arguments]() will fail:
+This means that attemptes to declare a queue using the following [optional queue arguments](https://www.rabbitmq.com/docs/queues#optional-arguments) will fail:
 
  * `x-queue-mode` set to any value
  * `x-queue-version` set to `1`