Hugo: Fix /admin/accessing-the-api (#8480)

Fix indent so that list is not shown as code.
Fix URL, replace it with new location.

content/en/docs/admin/accessing-the-api.md

@@ -6,7 +6,7 @@ reviewers:
 title: Controlling Access to the Kubernetes API
 ---
 
-Users [access the API](/docs/user-guide/accessing-the-cluster) using `kubectl`,
+Users [access the API](docs/tasks/access-application-cluster/access-cluster/) using `kubectl`,
 client libraries, or by making REST requests.  Both human users and
 [Kubernetes service accounts](/docs/tasks/configure-pod-container/configure-service-account/) can be
 authorized for API access.