docs: add nim to Agent v3 notice (#745)

Author: JTorreG

_banners/agent-v3-release.md

@@ -1,7 +1,7 @@
 {{< banner "notice" "NGINX Agent 3.0 is now available" >}}
 
 
-F5 NGINX One Console does not currently support Agent 3.x. If you are using NGINX One Console in your environment, upgrade to the latest Agent 2.x version by following the [Upgrade NGINX Agent](/nginx-agent/installation-upgrade/upgrade/) guide.
+F5 NGINX One Console and NGINX Instance Manager (NIM) do not currently support Agent 3.x. If you are using NGINX One Console or NGINX Instance Manager in your environment, upgrade to the latest Agent 2.x version by following the [Upgrade NGINX Agent](/nginx-agent/installation-upgrade/upgrade/) guide.
 
 Please see the [Technical specifications](/nginx-agent/technical-specifications/) for product compatibility.