release: update chart image pins to current remediated releases

[sbaum1994]

Summary

Update the owning Helm chart sources for the ten image pins that are behind the latest released images, validate each image/chart pairing, and publish the resulting chart releases. Do not update stack Helmfile chart versions in this issue; stack consumption is tracked by #1833.

Ten image deltas

Cassandra

• cassandra:5.0.8-nv-2.0.1 -> 5.0.9-nv-2.0.5
• nvcf-cassandra-migrations:0.17.5 -> 0.17.6
• The source tag deploy/helm/cassandra/v0.21.3 already carries both target versions. Verify and complete package publication.

OpenBao

• nvcf-openbao:2.5.5-nv-1.3.1 -> 2.6.2-nv-1.3.4
• nvcf-openbao-migrations:0.19.1 -> 0.19.5
• The source tag deploy/helm/openbao/v0.32.6 already carries both target versions. Verify and complete package publication.

SIS / ICMS

• icms-service-oss:0.7.1 -> 0.7.2
• Update helm-nvcf-sis; chart 2.3.0 still carries 0.7.1. Publish a newer chart.

Function Autoscaler

• nvcf-function-autoscaler:1.21.5 -> 1.21.6
• Update helm-nvcf-function-autoscaler; chart 0.4.0 still carries appVersion 1.21.5. Publish a newer chart.

LLM Request Router

• stargate:0.16.2 -> 0.18.0
• Update helm-nvcf-llm-request-router; chart 1.13.3 still carries 0.16.2. Publish a newer chart.

NVCA

• nvca:3.5.2 -> 3.8.0
• nvca-operator:3.6.0 -> 3.8.0
• nvcf-image-credential-helper:0.10.2 -> 0.11.1
• The newest source chart 1.27.0 carries operator 3.7.0 and credential helper 0.10.2, so publish a newer chart that pairs the target versions.

Carry-forward from #1787

Preserve the existing state-metrics follow-up outside the ten-image comparison: locate or restore the owning source for helm-nvcf-state-metrics, update it to nvcf-state-metrics-service:1.24.0, and publish a chart newer than 1.0.2.

Acceptance criteria

• Each chart source contains the exact target image tag or documents an intentional compatible override owned by the stack.
• Focused chart values, lint, render, and package tests pass.
• Every required chart release is published and independently pullable.
• Published chart packages resolve to the expected image tags.
• The state-metrics requirements formerly tracked by release: publish state-metrics chart with image 1.24.0 #1787 remain complete and testable.
• No stack Helmfile chart pins are changed in this issue.

Resources

• Parent: release: align remaining self-managed image and chart pins #1781
• Inventory-coverage child: release: reconcile Pulse images missing from stack inventories #1831
• Stack-consumption child: release: consume remediated chart releases in self-managed stacks #1833
• Prior chart batch: release: bump native self-managed chart image pins #1782
• State-metrics carry-forward: release: publish state-metrics chart with image 1.24.0 #1787
• Chart sources: deploy/helm/

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