arrow

GH-36181: [Go] add methods `AppendNulls` and `AppendEmptyValues` for all builders (#36145)



### Rationale for this change
For convenience, so as not to call the method `AppendNull` or `AppendEmptyValue` many times.

### What changes are included in this PR?

### Are these changes tested?
Yes

### Are there any user-facing changes?
Yes

* Closes: #36181

Authored-by: izveigor <izveigor@gmail.com>
Signed-off-by: Matt Topol <zotthewizard@gmail.com>