[substrait] TPCH Plan 15 Is Empty

### Is your feature request related to a problem or challenge?

Due to the upstream issue in https://github.com/substrait-io/consumer-testing/issues/108 the Substrait plan for TCPH query 15 is empty.

### Describe the solution you'd like

Once the the issue in https://github.com/substrait-io/consumer-testing/issues/108 is addressed, we should update the vendored plan.

### Describe alternatives you've considered

_No response_

### Additional context

_No response_

First check substrait-io/consumer-testing issue #108, since this update depends on its resolution. Then locate the vendored Substrait plan for TPCH query 15 and compare it with the corrected upstream plan; done means the vendored plan is no longer empty.

Written by the indexing model from the issue text.