Bump SkiaSharp from 2.88.8 to 2.88.9 in the nuget group

Bumps the nuget group with 1 update: [SkiaSharp](https://github.com/mono/SkiaSharp).


Updates `SkiaSharp` from 2.88.8 to 2.88.9
- [Release notes](https://github.com/mono/SkiaSharp/releases)
- [Commits](mono/SkiaSharp@v2.88.8...v2.88.9)

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

Signed-off-by: dependabot[bot] <[email protected]>

src/QuestPDF.Markdown/QuestPDF.Markdown.csproj

@@ -21,7 +21,7 @@
     <ItemGroup>
         <PackageReference Include="Markdig" Version="0.38.0"/>
         <PackageReference Include="QuestPDF" Version="2024.10.2" />
-        <PackageReference Include="SkiaSharp" Version="2.88.8" />
+        <PackageReference Include="SkiaSharp" Version="2.88.9" />
     </ItemGroup>
 
     <ItemGroup>