Added version requirements for PE and Puppet in metadata.json
Added version requirements for PE and Puppet in metadata.json

bfraser/puppet-grafana,cristifalcas/puppet-grafana,cristifalcas/puppet-grafana,simonpasquier/puppet-grafana,simonpasquier/puppet-grafana,Lavaburn/puppet-grafana,covermymeds/puppet-grafana,covermymeds/puppet-grafana,bfraser/puppet-grafana,Lavaburn/puppet-grafana