Replaced IP with hostname

tasks/2-scan.yml

 
 ---
 - name: Set SSH tunel
-  command: ssh -o StrictHostKeyChecking=no -f -N -L localhost:9390:192.168.235.234:9390 jenkins@scans.cloud.infn.it 
+  command: ssh -o StrictHostKeyChecking=no -f -N -L localhost:9390:scans.cloud.infn.it:9390 jenkins@scans.cloud.infn.it 
 
 - debug: 
     var: paas_ci_test.endpoints_to_scan