Update releases.

Author: aouinizied

docs/releases.md

@@ -15,7 +15,7 @@ This page contains NFStream release history
 
 - GitHub page: <https://github.com/aouinizied/nfstream>{:target="_blank"}
 
-## Latest Official Release - v6.1.0
+## Latest Official Release - v6.1.1
 
 Release date: 2020-09-14 {% include new-release.html %}