Set release version to 2.22.1

Author: rabbitmq-ci

index.html

@@ -2140,7 +2140,7 @@ <h3 id="expected-and-exposed-metrics"><a class="anchor" href="#expected-and-expo
 <div id="footer">
 <div id="footer-text">
 Version 2.23.0-SNAPSHOT<br>
-Last updated 2024-11-19 14:32:07 UTC
+Last updated 2024-11-19 14:47:59 UTC
 </div>
 </div>
 </body>