Fix. Execute the changelog shell script without login

Change-Id: Ic073c60ef9b0e41a7b2cd4d3d02a547434a1ee1c
Signed-off-by: caviedesj <juancamilo.caviedesvalencia.ext@telefonica.com>
diff --git a/Jenkinsfile.new b/Jenkinsfile.new
index b5903a7..67930d0 100644
--- a/Jenkinsfile.new
+++ b/Jenkinsfile.new
@@ -104,7 +104,7 @@
             sh """
               docker run --rm ${common} \
                 ${env.TEST_IMAGE} \
-                /bin/sh -lc 'devops/tools/generatechangelog-pipeline.sh > /tests/changelog/changelog-${MDG}.html'
+                sh -c 'devops/tools/generatechangelog-pipeline.sh > /tests/changelog/changelog-${MDG}.html'
             """
           }
         }