(maint) Get puppet and PA versions from written file, not Jenkins API
(maint) Get puppet and PA versions from written file, not Jenkins API

The puppet-agent pipeline writes a JSON file with only the data about
passing SHAs when it finishes. Since that data is no longer exposed as
params as part of Jenkins' built-in API, we should read that file
instead.

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