Update NuGet packages: FluentValidation, SemanticKernel

Updated the following NuGet package dependencies in the
`SqlDatabaseVectorSearch.csproj` file:

- `FluentValidation.DependencyInjectionExtensions` updated
  from version `12.1.0` to `12.1.1` to incorporate potential
  bug fixes and improvements.
- `Microsoft.SemanticKernel` updated from version `1.67.1`
  to `1.68.0` to include enhancements and new functionality.

These updates aim to improve stability, performance, and
compatibility of the project.

Author: marcominerva

SqlDatabaseVectorSearch/SqlDatabaseVectorSearch.csproj

@@ -11,7 +11,7 @@
         <PackageReference Include="Blazor.Bootstrap" Version="3.5.0" />
         <PackageReference Include="DocumentFormat.OpenXml" Version="3.3.0" />
         <PackageReference Include="EntityFrameworkCore.Exceptions.SqlServer" Version="8.1.3" />
-        <PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="12.1.0" />
+        <PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="12.1.1" />
         <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.0" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.0" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="10.0.0">
@@ -23,7 +23,7 @@
         <PackageReference Include="Microsoft.ML.Tokenizers" Version="2.0.0" />
         <PackageReference Include="Microsoft.ML.Tokenizers.Data.Cl100kBase" Version="2.0.0" />
         <PackageReference Include="Microsoft.ML.Tokenizers.Data.O200kBase" Version="2.0.0" />
-        <PackageReference Include="Microsoft.SemanticKernel" Version="1.67.1" />
+        <PackageReference Include="Microsoft.SemanticKernel" Version="1.68.0" />
         <PackageReference Include="MimeMapping" Version="3.1.0" />
         <PackageReference Include="MinimalHelpers.FluentValidation" Version="1.1.7" />
         <PackageReference Include="MinimalHelpers.Routing.Analyzers" Version="1.2.2" />