Fix `owner/repo#number` reference in issue automation
Created by: felixfbecker
Fixes https://github.com/sourcegraph/sourcegraph/runs/3732326921?check_suite_focus=true
Reported by @valerybugakov
Created by: felixfbecker
Fixes https://github.com/sourcegraph/sourcegraph/runs/3732326921?check_suite_focus=true
Reported by @valerybugakov