Issue: PIL deprecated the textsize() method in 10.0.0

[goocy]

cocoviewer.py, line 183:
tw, th = draw.textsize(text, font)
PIL deprecated the textsize() method in 10.0.0:
https://pillow.readthedocs.io/en/stable/releasenotes/10.0.0.html

Proposed fix:

x1, y1, x2, y2 = font.getbbox(text)
tw, th = (x2-x1, y2-y1)

[domef]

Thank you!