Refactor Jenkinsfile to add ssh-keyscan before SCP command

Jenkinsfile

@@ -11,6 +11,7 @@ pipeline {
     }
 
     stages {
+        
         stage('Checkout') {
             steps {
                 checkout scm
@@ -45,10 +46,9 @@ pipeline {
         stage("Upload to aptly") {
             steps {
                 sshagent(['srv01_elordenador_org']) {
-
                     sh '''
-                    scp ../${DEB_FILE} \
+                    ssh-keyscan -H elordenador.org >> ~/.ssh/known_hosts
-                    ${APTLY_HOST}:/tmp/
+                    scp ../${DEB_FILE} ${APTLY_HOST}:/tmp/
                     '''
                 }
             }