Updated ansible package fixes security vulnerability

A flaw was found in the way Ansible passed certain parameters to the jenkins_plugin module. A remote attacker could use this flaw to expose sensitive information from a remote host’s logs. This flaw was fixed by not allowing passwords to be specified in the “params” argument, and noting this in the module documentation (CVE-2017-7550). The ansible package has been updated to version 2.4.1 to fix this issue and several other bugs.