Improve tagreleases.sh output
Improve tagreleases.sh output

It's simpler to specify a release tag than a commit, so let's list
them, one per line, on their own for easiest possible copy/paste.

jskeet/gcloud-dotnet,googleapis/google-cloud-dotnet,jskeet/google-cloud-dotnet,googleapis/google-cloud-dotnet,jskeet/google-cloud-dotnet,jskeet/google-cloud-dotnet,jskeet/google-cloud-dotnet,jskeet/google-cloud-dotnet,googleapis/google-cloud-dotnet