Update (AzureCXP) | the agentkeepalive option keepAliveTimeout has been renamed to freeSocketTimeout. Updating app-service-web-nodejs-best-practices-and-troubleshoot-guide.md

The example shown used the npm package agentkeepalive which has deprecated keepAliveTimeout in favor of freeSocketTimeout.

Author: AjayKumar-MSFT

articles/app-service/app-service-web-nodejs-best-practices-and-troubleshoot-guide.md

@@ -125,7 +125,7 @@ let keepaliveAgent = new Agent({
     maxSockets: 32,
     maxFreeSockets: 10,
     timeout: 60000,
-    keepAliveTimeout: 300000
+    freeSocketTimeout: 300000
 });
 ```