Fix the PNG image decoding issue in Skia

Regression was introduced in 2.88.0: https://github.com/mono/SkiaSharp/issues/2095

Jellyfin.Drawing.Skia/Jellyfin.Drawing.Skia.csproj

@@ -18,8 +18,8 @@
   <ItemGroup>
     <PackageReference Include="BlurHashSharp" Version="1.2.0" />
     <PackageReference Include="BlurHashSharp.SkiaSharp" Version="1.2.0" />
-    <PackageReference Include="SkiaSharp" Version="2.88.0" />
-    <PackageReference Include="SkiaSharp.NativeAssets.Linux" Version="2.88.0" />
+    <PackageReference Include="SkiaSharp" Version="2.88.1-preview.1" />
+    <PackageReference Include="SkiaSharp.NativeAssets.Linux" Version="2.88.1-preview.1" />
   </ItemGroup>
 
   <ItemGroup>