Update image threshold for resize tests

Author: Sergio0694

tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeTests.cs

@@ -139,7 +139,7 @@ public void WorkingBufferSizeHintInBytes_IsAppliedCorrectly<TPixel>(
                         testOutputDetails: workingBufferLimitInRows,
                         appendPixelTypeToFileName: false);
                     image.CompareToReferenceOutput(
-                        ImageComparer.TolerantPercentage(0.001f),
+                        ImageComparer.TolerantPercentage(0.004f),
                         provider,
                         testOutputDetails: workingBufferLimitInRows,
                         appendPixelTypeToFileName: false);