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ARROW-17277: [Go][CSV] Custom csv.Writer formatter for boolean values (#13774)

 - Use `WithBoolWriter` to overwrite the default use of `strconv.FormatBool`
 - uses `strconv.FormatBool` by default
 - `WithBoolWriter(nil)` will not overwrite default
 
usage
```
w := csv.NewWriter(bytes.NewBuffer(nil),
                schema,
		csv.WithBoolWriter(func(b bool) string {
                    if b { 
                       return "HELLO"
                    }
                    return "WORLD"
                }))
```

https://issues.apache.org/jira/browse/ARROW-17277

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