[Python] Add rename_columns to DataSet
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Component: Python
Type: enhancement
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Description
### Describe the enhancement requested
Dataset has fewer methods than Table, which is fine, of course. However we often use rename_columns on Table and it would be really handy for us to have it on Dataset, too. I think it could easily be implemented using replace_schema
https://arrow.apache.org/docs/python/generated/pyarrow.dataset.Dataset.html#pyarrow.dataset.Dataset
### Component(s)
Python
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