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GH-33789: [Go] Add Err() to RecordReader  (#33792)

### Rationale for this change

Add Err() to the RecordReader interface so we can report errors.

### Are these changes tested?

This is tested in the C Data Interface.

### Are there any user-facing changes?

**This is a breaking change.**
* Closes: #33789

Authored-by: David Li <li.davidm96@gmail.com>
Signed-off-by: Matt Topol <zotthewizard@gmail.com>