chore: add needs-triage caller workflow

[dussab]

Wires up the org-wide needs-triage reusable workflow.

What it does: any new or reopened issue is automatically labeled needs-triage. Removing the label is the explicit signal that a maintainer has triaged it. Bot-authored issues are skipped.

Triage queue: is:issue is:open label:needs-triage

Calls stacklok/.github/.github/workflows/needs-triage.yml@v1 — issues: write only, action pinned to a commit SHA.

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

OpenSSF Scorecard

Package	Version	Score	Details
actions/stacklok/.github/.github/workflows/needs-triage.yml	b43e3f174f9bbf2ca4efe6e421a1d007e7fa1b8f	Unknown	Unknown

Trusty Scores

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	Dependency	Version	Score	Warnings
Added	stacklok/.github/.github/workflows/needs-triage.yml	b43e3f174f9bbf2ca4efe6e421a1d007e7fa1b8f	⚠️ undefined		undefined failed

Scanned Manifest Files

.github/workflows/triage.yml

• stacklok/.github@b43e3f1