chore(e2e): Use public version of enos (#4872)

* chore(e2e): Use public version of enos

* chore(e2e): Move vault module to this repo

terraform-enos-aws-vault is no longer supported

enos/modules/aws_vault/scripts/enable_audit_logging.sh

@@ -0,0 +1,7 @@
+#!/bin/env sh
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: BUSL-1.1
+
+set -eux
+
+$VAULT_BIN_PATH audit enable file file_path="$LOG_FILE_PATH"