add adjust saturation

Author: justincdavis

test/test_transforms_v2.py

@@ -6335,10 +6335,7 @@ def test_correctness_image(self, make_input, color_space, saturation_factor):
         actual = F.adjust_saturation(image, saturation_factor=saturation_factor)
 
         if make_input is make_image_cvcuda:
-            actual = F.cvcuda_to_tensor(actual).to(device="cpu")
-            actual = actual.squeeze(0)
-            image = F.cvcuda_to_tensor(image)
-            image = image.squeeze(0)
+            image = cvcuda_to_pil_compatible_tensor(image)
 
         expected = F.to_image(F.adjust_saturation(F.to_pil_image(image), saturation_factor=saturation_factor))