feat: add Eclipse Copyright header to CHANGELOG.md.jinja

CHANGELOG.md.jinja

@@ -20,8 +20,6 @@
 # ********************************************************************************/
 #}
 
-
-
 {#- macro: render_commit -#}
 {%- macro render_commit(commit) -%}
 - {{ commit.convention.subject|default(commit.subject) }} (by {{ commit.author_name }}).
@@ -66,6 +64,27 @@
 
 {#- template -#}
 {%- if not in_place -%}
+<!---
+/********************************************************************************
+* Copyright (c) 2021,2023 Contributors to the Eclipse Foundation
+*
+* See the NOTICE file(s) distributed with this work for additional
+* information regarding copyright ownership.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Apache License, Version 2.0 which is available at
+* https://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.
+*
+* SPDX-License-Identifier: Apache-2.0
+********************************************************************************/
+--->
+
 # Changelog
 
 All notable changes to this project will be documented in this file.