build(deps): bump Microsoft.KernelMemory.Core and Microsoft.KernelMemory.Abstractions

Bumps [Microsoft.KernelMemory.Core](https://github.com/microsoft/kernel-memory) and [Microsoft.KernelMemory.Abstractions](https://github.com/microsoft/kernel-memory). These dependencies needed to be updated together.

Updates `Microsoft.KernelMemory.Core` from 0.18.231209.1-preview to 0.24.231228.5
- [Release notes](https://github.com/microsoft/kernel-memory/releases)
- [Commits](https://github.com/microsoft/kernel-memory/compare/dotnet-0.18.231209.1-preview...0.24.231228.5)

Updates `Microsoft.KernelMemory.Abstractions` from 0.18.231209.1-preview to 0.24.231228.5
- [Release notes](https://github.com/microsoft/kernel-memory/releases)
- [Commits](https://github.com/microsoft/kernel-memory/compare/dotnet-0.18.231209.1-preview...0.24.231228.5)

---
updated-dependencies:
- dependency-name: Microsoft.KernelMemory.Core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.KernelMemory.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

LLama.Examples/LLama.Examples.csproj

@@ -15,7 +15,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" />
-    <PackageReference Include="Microsoft.KernelMemory.Core" Version="0.18.231209.1-preview" />
+    <PackageReference Include="Microsoft.KernelMemory.Core" Version="0.24.231228.5" />
     <PackageReference Include="Microsoft.SemanticKernel" Version="1.0.1" />
     <PackageReference Include="Microsoft.SemanticKernel.Plugins.Memory" Version="1.0.1-alpha" />
     <PackageReference Include="Spectre.Console" Version="0.48.0" />