ft: add kyberswap_aggregator_trades for more chains

[NgoKimPhu]

Description:

add kyberswap_aggregator_trades for: berachain, linea, mantle, ronin, sonic, unichain

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[NgoKimPhu]

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PR Summary

Expands KyberSwap aggregator coverage and integrates new chains into the unified trades table.

• Adds chain-specific models and schemas for berachain, linea, mantle, ronin, sonic, unichain with incremental configs, price joins, start dates, and data tests
• Updates kyberswap_aggregator/trades.sql to union the new models and extends expose_spells to all supported chains
• Broadens metadata in _schema.yml (blockchain list, tags) and adds contributor phu_ngo
• Minor comment/formatting tweaks in existing chain models (e.g., token filter comments)

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Arbitrum blockchain missing from metadata and expose_spells

Medium Severity

The arbitrum blockchain was accidentally dropped from the metadata when adding new chains. The blockchain: field in _schema.yml and the expose_spells list in kyberswap_aggregator_trades.sql no longer include arbitrum, but the SQL model still references kyberswap_aggregator_arbitrum_trades in the models array. This creates an inconsistency where arbitrum data is included in the union query but not exposed in the spell metadata, potentially affecting downstream consumers and documentation that rely on these declarations.

Additional Locations (1)

• dbt_subprojects/dex/models/_projects/kyberswap/kyberswap_aggregator_trades.sql#L6-L7