Improve packagecloud-releases.go script
We merged !3756 (merged) for 15.7 and since we ran out of time we couldn't handle all the suggestions in the MR. They should be addressed as part of the next release.
We merged !3756 (merged) for 15.7 and since we ran out of time we couldn't handle all the suggestions in the MR. They should be addressed as part of the next release.