Bump SkiaSharp from 2.88.3 to 2.88.6 in /Elements.Serialization.SVG/src

Bumps [SkiaSharp](https://github.com/mono/SkiaSharp) from 2.88.3 to 2.88.6.
- [Release notes](https://github.com/mono/SkiaSharp/releases)
- [Commits](mono/SkiaSharp@v2.88.3...v2.88.6)

---
updated-dependencies:
- dependency-name: SkiaSharp
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Elements.Serialization.SVG/src/Elements.Serialization.SVG.csproj

@@ -18,7 +18,7 @@
 
     <ItemGroup>
         <PackageReference Include="Svg.Skia" Version="0.6.0-preview2" />
-        <PackageReference Include="SkiaSharp" Version="2.88.3" />
+        <PackageReference Include="SkiaSharp" Version="2.88.6" />
         <PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="2.88.3" />
     </ItemGroup>