Important

Add durable migrations for evaluations with top-k variant selection using thedurable crate.

• Migrations:
  • Add20251217184547_evaluations_topk.sql to createevaluations_topk queue for durable execution.
  • Updatemanual_run_postgres_migrations_with_url() inmod.rs to run durable migrations usingdurable::MIGRATOR.
• Dependencies:
  • Adddurable crate toCargo.toml andCargo.lock.
• Tests:
  • Update tests inexperimentation_queries.rs andrate_limit_queries.rs to usemanual_run_postgres_migrations_with_url() for setting up migrations.

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