[docs][mock-hub] fix broken link after the samples refactoring (Azure…

…#30652)

sdk/eventhub/mock-hub/README.md

@@ -45,4 +45,4 @@ Some details on what features the mock service supports can be found [here](http
 
 Some details on the overal architecture of this project can be found [here](https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/eventhub/mock-hub/design/architecture.md).
 
-To see a quick example of how to start the mock service, look at [here](https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/eventhub/mock-hub/samples/typescript/readme.md).
+To see a quick example of how to start the mock service, look at [here](https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/eventhub/mock-hub/samples/v1/typescript/README.md).