refactor(models): Use the SQLAlchemy base model. (#19435)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/models/source.py

@@ -9,7 +9,7 @@ from .engine import db
 from .types import StringUUID
 
 
-class DataSourceOauthBinding(db.Model):  # type: ignore[name-defined]
+class DataSourceOauthBinding(Base):
     __tablename__ = "data_source_oauth_bindings"
     __table_args__ = (
         db.PrimaryKeyConstraint("id", name="source_binding_pkey"),