Bump Microsoft.SemanticKernel (#43485)

Bumps the dotnet group in /docs/ai/quickstarts/snippets/local-ai with 1 update: [Microsoft.SemanticKernel](https://github.com/microsoft/semantic-kernel).


Updates `Microsoft.SemanticKernel` from 1.27.0 to 1.28.0
- [Release notes](https://github.com/microsoft/semantic-kernel/releases)
- [Commits](microsoft/semantic-kernel@dotnet-1.27.0...dotnet-1.28.0)

---
updated-dependencies:
- dependency-name: Microsoft.SemanticKernel
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/ai/quickstarts/snippets/local-ai/ollama.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SemanticKernel" Version="1.27.0" />
+    <PackageReference Include="Microsoft.SemanticKernel" Version="1.28.0" />
     <PackageReference Include="Microsoft.SemanticKernel.Connectors.Ollama" Version="1.22.0-alpha" />
   </ItemGroup>