[C++][Parquet] parquet-scan doesn't show the usage info

[domibel]

Describe the bug, including details regarding any error messages, version, and platform.

$ parquet-scan
Parquet error: IOError: Failed to open local file ''. Detail: [errno 2] No such file or directory

Component(s)

Parquet, C++

[raulcd]

Issue resolved by pull request 49540
#49540