Bump SkiaSharp from 2.80.2 to 2.80.3

Bumps SkiaSharp from 2.80.2 to 2.80.3.

---
updated-dependencies:
- dependency-name: SkiaSharp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

PreviewThumbnailExtractor.Skia/PreviewThumbnailExtractor.Skia.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="LibVLCSharp" Version="3.5.0" />
-    <PackageReference Include="SkiaSharp" Version="2.80.2" />
+    <PackageReference Include="SkiaSharp" Version="2.80.3" />
     <PackageReference Include="VideoLAN.LibVLC.Windows" Version="3.0.16" />
   </ItemGroup>