feat: refs #8715 add changelog verification stage in Jenkinsfile to ensure CHANGELOG.md is updated

Jenkinsfile

@@ -75,6 +75,21 @@ pipeline {
                 }
             }
         }
+        stage('Changelog') {
+            when {
+                expression { !PROTECTED_BRANCH }
+            }
+            steps {
+                script {
+                    def changeLog = currentBuild.changeSets.collectMany { it.items.collect { it.affectedFiles.collect { it.path } }.flatten() }.flatten()
+                    def hasChangelogChanges = changeLog.any { it == 'CHANGELOG.md' }
+
+                    if (!hasChangelogChanges) {
+                        error "No se han detectado cambios en CHANGELOG.md"
+                    }
+                }
+            }
+        }
         stage('Install') {
             environment {
                 NODE_ENV = ""