docs: Fix ebs_default_kms_key example to use key_arn (#10562)
docs: Fix ebs_default_kms_key example to use key_arn (#10562)


kjmkznr/terraform-provider-aws,terraform-providers/terraform-provider-aws,kjmkznr/terraform-provider-aws,kjmkznr/terraform-provider-aws,terraform-providers/terraform-provider-aws,kjmkznr/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws