Test with numpy 2.0

[howff]

Error from dicom_ocr.py
ERROR:root:Cannot extract frame 0 from foo.dcm (Python integer 65535 out of bounds for int16)

https://github.com/SMI/dicompixelanon/blob/main/src/applications/dicom_ocr.py#L264

dicomimg.next_image()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/mnt/smi-fs01-nfs/tmp/pixel-anon/venv/lib/python3.10/site-packages/DicomPixelAnon/dicomimage.py", line 340, in next_image
    return self.image(frame = n)
File "/mnt/smi-fs01-nfs/tmp/pixel-anon/venv/lib/python3.10/site-packages/DicomPixelAnon/dicomimage.py", line 234, in image
    pix_extracted = (self.pixel_data & self.bit_mask)
OverflowError: Python integer 65535 out of bounds for int16

Possible workaround: NPY_PROMOTION_STATE=legacy