Update releases/v1.1.6.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: szkiba

releases/v1.1.6.md

@@ -1,6 +1,6 @@
 Grafana **xk6** `v1.1.6` is here! 🎉
 
-This release focuses on essential updates to core Go modules and Docker image to enhance security, stability, and maintain compatibility.
+This release focuses on essential updates to core Go modules and Docker images to enhance security, stability, and maintain compatibility.
 
 ### Security and Maintenance Updates