fix: update subscriber provider credentials

Author: jainpawan21

content/docs/platform/concepts/subscribers.mdx

@@ -169,7 +169,7 @@ Subscriber preferences and metadata personalization ensure that each subscriber
   />
   <Card
     title="Update subscriber credentials API"
-    href="/api-reference/subscribers/update-subscriber-credentials"
+    href="/api-reference/subscribers/update-provider-credentials"
     description="Update chat and push channel credentials for a single subscriber"
   />
   <Card