ci(jenkins): adjust some more build instructions

Signed-off-by: zontreck <tarapiccari@gmail.com>

Jenkinsfile

@@ -37,7 +37,11 @@ pipeline {
                     sh '''
                     #!/bin/bash
 
-                    mkarchiso -v -w "$(pwd)/work" -o out "$(pwd)/server"
+                    mkdir -pv /tmp/archisotmp
+                    cp -rv server /tmp/archisotmp/server
+
+
+                    mkarchiso -v -w "/tmp/archisotmp/work" -o out "/tmp/archisotmp/server"
                     '''
                 }
             }