[Regression] Parsing error on dbt-core==1.10.0-a1 when models have a freshness config (that follows the source freshness format). dbt-core~=1.9.0 and prior simply ignored the invalid config.

[Regression] Parsing error on dbt-core==1.10.0-a1 when models have a freshness config (that follows the source freshness format). dbt-core~=1.9.0 and prior simply ignored the invalid config. #23