(SERVER-2478) Update CA CLI gem to 1.3.1
(SERVER-2478) Update CA CLI gem to 1.3.1

This gem update makes it so `puppetserver ca enable --infracrl` will not
attempt to generate the `infra_serials` file, leaving it up to Puppet
Server instead.

puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver,puppetlabs/puppetserver,puppetlabs/puppet-server