Fix missing end quote in packagecloud script
What does this MR do?
Fixes syntax error merged in !3034 (merged)
Why was this MR needed?
To fix https://gitlab.com/gitlab-org/gitlab-runner/-/jobs/1443009134
Fixes syntax error merged in !3034 (merged)
To fix https://gitlab.com/gitlab-org/gitlab-runner/-/jobs/1443009134