Minor: Fix logical conflict

[alamb]

Which issue does this PR close?

N/a

Rationale for this change

#4432 had a logical conflict (and I didn't recheck it)

First master CI faillure: https://github.com/apache/arrow-datafusion/actions/runs/3657087583/jobs/6180276339

    Checking datafusion-benchmarks v15.0.0 (/__w/arrow-datafusion/arrow-datafusion/benchmarks)
error[E0599]: no function or associated item named `try_new` found for struct `CrossJoinExec` in the current scope
   --> datafusion/proto/src/physical_plan/mod.rs:560:44
    |
560 |                 Ok(Arc::new(CrossJoinExec::try_new(left, right)?))
    |                                            ^^^^^^^ function or associated item not found in `CrossJoinExec`

What changes are included in this PR?

Fix compilation of datafusion-proto

Are these changes tested?

yes

[alamb]

I plan to merge this PR as soon as the check CI has finished to unbreak master

[alamb]

check succeeded https://github.com/apache/arrow-datafusion/actions/runs/3657236086/jobs/6180600478