Correct a link

Author: michaelklishin

README.md

@@ -3,4 +3,4 @@
 This repository contains an alternative download location for the public keys
 that can be used to [verify signatures of RabbitMQ release artifacts](http://www.rabbitmq.com/signatures.html).
 
-Please see [Releases](./releases).
+Please see [Releases](https://github.com/rabbitmq/signing-keys/releases).