Bump Splat.Autofac from 14.7.1 to 14.8.6

Bumps [Splat.Autofac](https://github.com/reactiveui/splat) from 14.7.1 to 14.8.6.
- [Release notes](https://github.com/reactiveui/splat/releases)
- [Commits](reactiveui/splat@14.7.1...14.8.6)

---
updated-dependencies:
- dependency-name: Splat.Autofac
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/MultiConverter.Desktop/MultiConverter.Desktop.csproj

@@ -17,7 +17,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Avalonia.Desktop" Version="11.0.5" />
-    <PackageReference Include="Splat.Autofac" Version="14.7.1" />
+    <PackageReference Include="Splat.Autofac" Version="14.8.6" />
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
   </ItemGroup>
   <ItemGroup>