chore(deps): update dependency soju06/codex-lb to v1.9.0

[renovate]

This PR contains the following updates:

Package	Update	Change
Soju06/codex-lb	minor	1.8.3 → 1.9.0

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Release Notes

Soju06/codex-lb (Soju06/codex-lb)

v1.9.0

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Features

• add a "API" page to see details of the API keys (#​269) (938c734)
• add stickysession selection box to select multiple sessions too be deleted (#​286) (c64b860)
• api-keys: add per-key enforced service tier (#​288) (cc851a5)
• api-keys: add self-service /v1/usage endpoint (#​295) (652f600)
• balancer: add capacity-weighted routing for tier-aware load distribution (#​297) (fa8eab4)

Bug Fixes

• balancer: trust usage data over stale runtime_reset for early quota resets (#​289) (a269b37)
• chat: prevent duplicated tool-call arguments in chat completions (#​287) (41ceb4f)
• deploy: restore Docker auto-migration, cache/rate-limiter fixes, Helm/K8s CI/CD (#​274) (16391ae)
• docker: resolve distroless ARM64 build by detecting arch-specific lib paths (b21d4bd)
• prevent sticky session thrashing when all accounts exceed budget threshold (#​279) (502db37)
• proxy: resolve k8s-era TC regressions (#​290) (020784a)
• tests: stabilize proxy retry logging assertions (0f86737)

Performance Improvements

• usage: replace DISTINCT ON with lateral join in latest_by_account (#​277) (8be87a6)

Documentation

• add Daltonganger as a contributor for code, and test (#​298) (7f17d72)

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