chore(main): release skaha 1.6.0

[github-actions]

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1.6.0 (2026-05-08)

Features

• add liveness, readiness, and startup probes to all user session configurations (3831b9a)
• add liveness, readiness, and startup probes to all user session… (8804941)
• helm: updated skaha helm chart to include the service, rbac for metrics deployment (af2117a)
• hpa: skaha (b277e87)
• skaha: add psrecord carta launch manifests (b0e4186)

Bug Fixes

• hpa: tune HPA to cpu-only fast scale-up with min replicas 2 (b07fcfa)
• skaha: default metrics-backend.rbac.create to false (5a3f687)
• skaha: gate metrics Kueue RBAC with rbac.create, not enabled alone (1345968)
• skaha: set RuntimeDefault seccomp on metrics API for PSA restricted (8b775b3)
• skaha: use carta probe path with trailing slash (9a89255)
• skaha: use carta probe path with trailing slash (60ae5ed)

Reverts

• skaha: restore metrics rbac.create default true (a8528c4)

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