[blacksmith] Bump version to 8.2.1-rc0
[blacksmith] Bump version to 8.2.1-rc0

voxpupuli/puppet-rabbitmq,puppetlabs/puppetlabs-rabbitmq,Slm0n87/puppet-rabbitmq,Slm0n87/puppet-rabbitmq,voxpupuli/puppet-rabbitmq,Slm0n87/puppet-rabbitmq,puppetlabs/puppetlabs-rabbitmq