Update link to current react sample app

Author: StefanSchoof

articles/azure-monitor/app/javascript-framework-extensions.md

@@ -268,7 +268,7 @@ If a custom `PageView` duration isn't provided, `PageView` duration defaults to
 
 ### Sample app
 
-Check out the [Application Insights React demo](https://github.com/Azure-Samples/application-insights-react-demo).
+Check out the [Application Insights React demo](https://github.com/microsoft/applicationinsights-react-js/tree/main/sample/applicationinsights-react-sample).
 
 ## [React Native](#tab/reactnative)
 
@@ -425,4 +425,4 @@ If a custom `PageView` duration isn't provided, `PageView` duration defaults to
 ## Next steps
 
 - To learn more about the JavaScript SDK, see the [Application Insights JavaScript SDK documentation](javascript.md).
-- To learn about the Kusto Query Language and querying data in Log Analytics, see the [Log query overview](../../azure-monitor/logs/log-query-overview.md).
+- To learn about the Kusto Query Language and querying data in Log Analytics, see the [Log query overview](../../azure-monitor/logs/log-query-overview.md).