Update how-to-setup-api-in-a-local-instance.mdx (calcom#24300)

Author: alishaz-polymath

docs/developing/guides/api/how-to-setup-api-in-a-local-instance.mdx

@@ -13,7 +13,7 @@ To test the API in your local instance, you have the following pre-requisites:
 
         You can use the following as staging license key
         ```
-        1a1f8138-0bfc-4f37-b4af-1e24fd145839
+        cal_live_QiMeiCoFjEczVQmY6EJTeiJV
         ```
     </Step>
     <Step title="Start development server and create API key">