fix(runtime): bump management ingress-nginx chart dependencies

[plural-copilot]

Summary

• bump both runtime chart ingress-nginx dependencies from 4.14.1 to 4.15.0
• bump the runtime chart version to 0.1.37
• refresh the Helm lockfile and vendored ingress-nginx chart artifact to match the new dependency pins

Scope

This PR covers the remaining unambiguous management-cluster blocker in this repo: the runtime chart dependency pins for ingress-nginx.

Explicit exclusions

• gatekeeper changes are intentionally excluded because management-cluster ownership/actionability is unresolved here
• cluster-version changes are intentionally excluded because no >1.34 target exists here and none should be created in this PR

Verification

• ran Dockerized Helm dependency update/build for charts/runtime
• ran Dockerized helm lint for charts/runtime

/service mgmt-runtime
/service ingress-nginx

[plural-copilot]

This PR was generated by the codex Plural Agent Runtime. Here's some useful information you might want to know to evaluate the ai's perfomance:

Name	Details
💬 Prompt	Create a minimal safe PR in pluralsh/bootstrap for the remaining management-cluster blocker that is unambiguous....
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