Vulnerability in pillow

[j0d0nn]

The pillow library prior to 10.3.0 has some high severity vulnerabilities, and valis-wsi restricts versions to < 10.

[cdgatenbee]

Thanks for the heads-up, @j0d0nn! I'll see if I can update the pyproject.toml to use pillow >= 10.3.

Best,
-Chandler