Use pattern matching for magicFrame.Depth

tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/MagickReferenceDecoder.cs

@@ -84,13 +84,13 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
                 MemoryGroup<TPixel> framePixels = frame.PixelBuffer.FastMemoryGroup;
 
                 using IUnsafePixelCollection<ushort> pixels = magicFrame.GetPixelsUnsafe();
-                if (magicFrame.Depth == 8 || magicFrame.Depth == 6 || magicFrame.Depth == 4 || magicFrame.Depth == 2 || magicFrame.Depth == 1 || magicFrame.Depth == 10 || magicFrame.Depth == 12)
+                if (magicFrame.Depth is 8 or 6 or 4 or 2 or 1 or 10 or 12)
                 {
                     byte[] data = pixels.ToByteArray(PixelMapping.RGBA);
 
                     FromRgba32Bytes(configuration, data, framePixels);
                 }
-                else if (magicFrame.Depth == 16 || magicFrame.Depth == 14)
+                else if (magicFrame.Depth is 16 or 14)
                 {
                     ushort[] data = pixels.ToShortArray(PixelMapping.RGBA);
                     Span<byte> bytes = MemoryMarshal.Cast<ushort, byte>(data.AsSpan());