update the metricstory url

Author: randallkanna

src/connections/destinations/catalog/metricstory/index.md

@@ -12,7 +12,7 @@ This destination is maintained by MetricStoryAI. For any issues with the destina
 1. From the Destination catalog page in the Segment app, search for MetricStory
 2. Select and click Add Destination
 3. Select an existing Source to connect to.
-4.  Go to the [API Keys](https://www.metricstory.ai/account/apikeys){:target="_blank"} page in MetricStory.ai.
+4.  Go to the [API Keys](https://www.app.metricstory.ai/account/apikeys){:target="_blank"} page in MetricStory.ai.
 5. Copy your API key
 6. Enter the API key in the destination settings in Segment