agent-platform release v4.137.0

Added

• (kagent) A codex Harness entry and its egress origins per installation, off by default in #1056 by @teemow

Fixed

• (llm-routing) LlmRouting off takes the policies’ baseUrls back in #1058 by @teemow

Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.136.0...v4.137.0