SLING-8337 - Create sub-command to manage the Jira update when promoting a release

Add missing copyright headers
diff --git a/src/test/java/org/apache/sling/cli/impl/jira/ListVersionsJiraAction.java b/src/test/java/org/apache/sling/cli/impl/jira/ListVersionsJiraAction.java
index acce035..49986d4 100644
--- a/src/test/java/org/apache/sling/cli/impl/jira/ListVersionsJiraAction.java
+++ b/src/test/java/org/apache/sling/cli/impl/jira/ListVersionsJiraAction.java
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
 package org.apache.sling.cli.impl.jira;
 
 import java.io.IOException;