[Variant] Add `unshred_variant` support for `Binary` and `LargeBinary` types

[sdf-jkl]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.

After adding shred_variant support for LargeBinary #9525 and having previous support for Binary types, we should add unshred_variant support for these types.

Describe the solution you'd like
Add unshred_variant support for Binary and LargeBinary types

Describe alternatives you've considered

Additional context

[alamb]

label_issue.py automatically added labels {'parquet-variant'} from #9576