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] <[email protected]>

src/Lab/Experiments/SilkBackedSkiaRendering/SilkBackedSkiaRendering.csproj

@@ -14,7 +14,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="SkiaSharp" Version="2.88.5" />
+      <PackageReference Include="SkiaSharp" Version="2.88.6" />
     </ItemGroup>
 
 </Project>