fix: Fix typo in rancher2_cluster public_access_sources docs (#2229)

Co-authored-by: Derek Gurchik <602444+gurchik@users.noreply.github.com>
Co-authored-by: Matt Trachier <matt.trachier@suse.com>

Author: 3 people

docs/resources/cluster.md

@@ -1368,7 +1368,7 @@ The following arguments are supported:
 * `node_groups` - (Optional/Computed) The EKS cluster name to import. Required to create a new cluster (list)
 * `private_access` - (Optional/Computed) The EKS cluster has private access (bool)
 * `public_access` - (Optional/Computed) The EKS cluster has public access (bool)
-* `public_access_sources` - (Optional/Computed) The EKS cluster public access sources (map)
+* `public_access_sources` - (Optional/Computed) The EKS cluster public access sources (list)
 * `region` - (Optional) The EKS cluster region. Default: `us-west-2` (string)
 * `secrets_encryption` - (Optional/Computed) Enable EKS cluster secret encryption (bool)
 * `security_groups` - (Optional/Computed) List of security groups to use for the cluster (list)