Changes to Update sync job

removed the enum value PLAIN of the request property attr/enc1

removed the enum value SSL of the request property attr/enc1

removed the enum value TLS of the request property attr/enc1

the attr/custom_params request property type changed from string to array

the items request property type changed from object to array

added the new optional request property attr/authmech1

added the new optional request property attr/dry

added the new optional request property attr/last_run

added the new optional request property attr/order_id

added the new optional request property attr/prio

added the new optional request property attr/source_id

added the new optional request property attr/success

request property attr/enc1 deprecated

request property attr/host1 deprecated

request property attr/port1 deprecated