`array_to_string()` does not support decimal arrays

### Describe the bug

```
> select array_to_string(arrow_cast(make_array(1.5, NULL, 3.14), 'List(Decimal128(10, 2))'), ',', 'N');
This feature is not implemented: Unsupported data type in array_to_string: Decimal128(10, 2)
```

### To Reproduce

_No response_

### Expected behavior

_No response_

### Additional context

_No response_