Bump SkiaSharp from 2.88.1-preview.79 to 2.88.1

Bumps [SkiaSharp](https://github.com/mono/SkiaSharp) from 2.88.1-preview.79 to 2.88.1.
- [Release notes](https://github.com/mono/SkiaSharp/releases)
- [Commits](https://github.com/mono/SkiaSharp/compare/v2.88.1-preview.79...v2.88.1)

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

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

Jellyfin.Drawing.Skia/Jellyfin.Drawing.Skia.csproj

@@ -18,7 +18,7 @@
   <ItemGroup>
     <PackageReference Include="BlurHashSharp" Version="1.2.0" />
     <PackageReference Include="BlurHashSharp.SkiaSharp" Version="1.2.0" />
-    <PackageReference Include="SkiaSharp" Version="2.88.1-preview.79" />
+    <PackageReference Include="SkiaSharp" Version="2.88.1" />
     <PackageReference Include="SkiaSharp.NativeAssets.Linux" Version="2.88.1-preview.79" />
     <PackageReference Include="SkiaSharp.Svg" Version="1.60.0" />
   </ItemGroup>