Bump SkiaSharp from 2.88.5 to 2.88.6

Bumps [SkiaSharp](https://github.com/mono/SkiaSharp) from 2.88.5 to 2.88.6.
- [Release notes](https://github.com/mono/SkiaSharp/releases)
- [Commits](mono/SkiaSharp@v2.88.5...v2.88.6)

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

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

DescImgGenerator/DescImgGenerator.csproj

@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageReference Include="Mono.Cecil" Version="0.11.5" />
-    <PackageReference Include="SkiaSharp" Version="2.88.5" />
+    <PackageReference Include="SkiaSharp" Version="2.88.6" />
     <PackageReference Include="Topten.RichTextKit" Version="0.4.166" />
   </ItemGroup>