add nv action power-cycle system command to whats new

cumulusAnia · cumulusAnia · commit 9e486ae068df · 2025-03-06T13:45:03.000-08:00
diff --git a/content/cumulus-linux-513/Whats-New/_index.md b/content/cumulus-linux-513/Whats-New/_index.md
@@ -99,6 +99,7 @@ nv action generate file-hash sha224 <filename>
 nv action generate file-hash sha256 <filename>
 nv action generate file-hash sha512 <filename>
 nv action list system file-path <path>
+nv action power-cycle system
 ```
 
 {{< /tab >}}
