Fixing copyright notice.

src/tests/scenario3/optical/scaphandre.yaml

+# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # this file deploys a tool that enables the monitoring of energy consumption
 # per component.
 # More info: https://github.com/hubblo-org/scaphandre
+
+---
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata: