adr: Topology-aware query planning in pgproto drivers

Linked:

• !1510 (closed)
• !1980 (merged)

Summary

• feat(adr): Отправка асинхронных уведомлений с метаданными запроса в pgproto для клиентов

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• Close #...
• Cherry-pick to: none / 25.3 / 25.2
• Docs follow-up: not necessary / new issue / docs updated in this MR
• Changelog is updated