Phase 3A: Automation Workflows Upgrade - GitHub Actions v7 #1673

Overview

Upgrade 2 automation workflows from v4 to v7.

Scope

• .github/workflows/cleanup-branches.yml
• .github/workflows/issue-labeling-automation.yml

Changes Required

Upgrade checkout and setup-node from v4 to v7.

Definition of Ready (DoR)

• Files identified
• Phase 2 complete

Definition of Done (DoD)

• All files updated to v7
• CI/CD passes
• PR merged to develop

Effort Estimate

1 day

Related

• Epic: GitHub Actions v7 Upgrade Initiative #1670 (GitHub Actions v7 Upgrade Initiative)
• Depends on: Phase 2: Badge Workflows Upgrade - GitHub Actions v7 #1672 (Phase 2: Badge Workflows Upgrade)