Rename var in one more place

docs/howto/features/cloud-access.md

@@ -42,7 +42,7 @@ This AWS IAM Role is managed via terraform.
    ```
    hub_cloud_permissions = {
        "<hub-name-slug>": {
-           allow_access_to_requestor_pays_buckets : true,
+           "allow_access_to_external_requester_pays_buckets : true,
            bucket_admin_access : ["bucket-1", "bucket-2"]
            hub_namespace : "<hub-name>"
        }
@@ -55,7 +55,7 @@ This AWS IAM Role is managed via terraform.
       and the cluster name together can't be more than 29 characters. `terraform`
       will complain if you go over this limit, so in general just use the name
       of the hub and shorten it only if `terraform` complains.
-   2. (GCP only) `allow_access_to_requestor_pays_buckets` enables permissions for user pods and dask worker
+   2. (GCP only) `allow_access_to_external_requester_pays_buckets` enables permissions for user pods and dask worker
       pods to identify as the project while making requests to other Google Cloud Storage
       buckets, outside of this project, that have 'Requester Pays' enabled. More details [here](topic:features:cloud:gcp:requestor-pays).
    3. `bucket_admin_access` lists bucket names (as specified in `user_buckets`