build(deps): bump Microsoft.SemanticKernel.Abstractions

Bumps [Microsoft.SemanticKernel.Abstractions](https://github.com/microsoft/semantic-kernel) from 1.0.0-beta1 to 1.0.0-beta4.
- [Release notes](https://github.com/microsoft/semantic-kernel/releases)
- [Commits](microsoft/semantic-kernel@dotnet-1.0.0-beta1...dotnet-1.0.0-beta4)

---
updated-dependencies:
- dependency-name: Microsoft.SemanticKernel.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

LLama.SemanticKernel/LLamaSharp.SemanticKernel.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net6.0;net7.0</TargetFrameworks>
@@ -33,7 +33,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-	  <PackageReference Include="Microsoft.SemanticKernel.Abstractions" Version="1.0.0-beta1" />
+	  <PackageReference Include="Microsoft.SemanticKernel.Abstractions" Version="1.0.0-beta4" />
 	</ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">