matthewwithanm#58 updated image deprecations for Pillow 10

- according to https://pillow.readthedocs.io/en/stable/deprecations.html
- `Image.ANTIALIAS` -> `Image.Resampling.LANCZOS`

pilkit/processors/resize.py

@@ -22,7 +22,7 @@ def __init__(self, width, height, upscale=True):
     def process(self, img):
         if self.upscale or (self.width < img.size[0] and self.height < img.size[1]):
             img = resolve_palette(img)
-            img = img.resize((self.width, self.height), Image.LANCZOS)
+            img = img.resize((self.width, self.height), Image.Resampling.LANCZOS)
         return img