nexpose_servicenow 0.8.1

As of June 4, 2019, the ServiceNow SecOps/Vulnerability Response Ruby Gem has been deprecated and is no longer available for use. An updated integration is currently available in product for ServiceNow ITSM and Secops, the setup instructions for both of which can be found here: https://insightvm.help.rapid7.com/docs/servicenow For more information please see our announcement which can be found here: https://kb.help.rapid7.com/docs/servicenow-ruby-gem-end-of-life-announcement