fix: Add label to step that creates an issue

[fredericsimard]

Added label "status: needs triage" to newly created issues with the script, as requested here: #1080 (comment)

[github-actions]

✅ Rule acceptance tests passed.
New Errors: 0 out of 1477 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Errors: 0 out of 1477 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
New Warnings: 0 out of 1477 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Warnings: 0 out of 1477 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
0 out of 1477 sources (~0 %) are corrupted.
Commit: 1dfb6b1
Download the full acceptance test report here (report will disappear after 90 days).
✅ Rule acceptance tests passed.