Use `json_schema_extra` instead of extra keyword in `Field` (#6764)
> Using extra keyword arguments on `Field` is deprecated and will be
removed. Use `json_schema_extra` instead. (Extra keys: 'new_param').
Deprecated in Pydantic V2.0 to be removed in V3.0. See Pydantic V2
Migration Guide at https://errors.pydantic.dev/2.9/migration/
Co-authored-by: Logan Adams <114770087+loadams@users.noreply.github.com>