chore(docs): add reference to account audit logs (#46467)

## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.

YES

## What kind of change does this PR introduce?

Docs update

## What is the current behavior?

Currently, we have a doc that was created to provide details about
platform audit logs (organization level)

## What is the new behavior?

This adds a detail about account audit logs, which provide the same
details as the platform audit log. The difference is account audit logs
only show logs for the specific user account.



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## Summary by CodeRabbit

* **Documentation**
* Enhanced Platform Audit Logs guide to clarify that each account has
access to separate Account Audit logs for tracking individual user
activity.

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apps/docs/content/guides/security/platform-audit-logs.mdx

@@ -40,6 +40,8 @@ For each audit log, you can see additional details by clicking on the log entry:
   - Metadata such as route and response status
 - Action Target (Project, organization, Edge Function, ...)
 
+Each Supabase user account also has access to [Account Audit logs](/dashboard/account/audit) which displays these logs for only the associated user account.
+
 ## Limitations
 
 - There is currently no way to export the logs via dashboard