[JULES-002] Deps: Alinhar requirements do Agent-Gateway com SDK 2026

[JuanCS-Dev]

Atualizar as dependências do gateway de agentes para garantir compatibilidade com as versões especificadas no Blueprint da Singularidade. TAG: JULES, DEPS, COMPLIANCE

[google-labs-jules]

Jules is on it. When finished, you will see another comment and be able to review a PR.

[google-labs-jules]

Ready for a review! A PR has been created.