docs/data-source/aws_eks_cluster_auth: Add note about resource import (#16501)
docs/data-source/aws_eks_cluster_auth: Add note about resource import (#16501)

Reference: https://github.com/hashicorp/terraform-provider-aws/issues/11653
terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws