(SERVER-2233) Add `state` param to Certificate Status API docs
(SERVER-2233) Add `state` param to Certificate Status API docs

This commit updates the docs for the `certificate_statuses` API endpoint to
include the new `state` query parameter for filtering search results.

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