update references to the ENC which was moved from tor-puppet.git into
its own, separate, repository

service/donate.md

@@ -452,7 +452,7 @@ To setup a new donate-review server
 
 1. bootstrap a new virtual machine (see [new-machine](howto/new-machine) up to Puppet
 1. add the `role: donate_review` parameter to the new machine in
-   `hiera-enc` on `tor-puppet.git`
+   `tor-puppet-hiera-enc.git`
 1. run puppet on the machine
 
 This should register a new runner in GitLab and start processing jobs.