templates/facts.rb.erb: update URI.open syntax
templates/facts.rb.erb: update URI.open syntax

Fixes #330.

Co-authored-by: Ewoud Kohl van Wijngaarden <008e3d77727c3fa2c81638262100d9845492ac80@kohlvanwijngaarden.nl>

puppet-community/puppet-jira,mkrakowitzer/puppet-jira,mkrakowitzer/puppet-jira,voxpupuli/puppet-jira,mkrakowitzer/puppet-jira,voxpupuli/puppet-jira,puppet-community/puppet-jira,puppet-community/puppet-jira