ruv
aa1059d9e2
fix: upgrade deprecated GitHub Actions and remove unwrap
- actions/upload-artifact v3→v4 (v3 deprecated, blocks all CI jobs)
- actions/setup-python v4→v5
- actions/download-artifact v3→v4
- github/codeql-action/upload-sarif v2→v3
- codecov/codecov-action v3→v4
- peaceiris/actions-gh-pages v3→v4
- actions/create-release v1→softprops/action-gh-release v2
- Gate Slack notifications on webhook secret presence
- Fix k8s compliance check to skip when k8s/ dir missing
- Replace unwrap() with match in info_nce_loss_mined
Co-Authored-By: claude-flow <ruv@ruv.net>