Update NuGet packages and solution items

Removed copilot instructions from solution items. Upgraded MimeMapping to v4.0.0 and Swashbuckle.AspNetCore.SwaggerUI to v10.1.1 in the project file.

Author: marcominerva

SqlDatabaseVectorSearch.slnx

@@ -1,7 +1,6 @@
 <Solution>
   <Folder Name="/Solution Items/">
     <File Path=".editorconfig" />
-    <File Path=".github/copilot-instructions.md" />
     <File Path="Directory.Build.props" />
     <File Path="README.md" />
   </Folder>

SqlDatabaseVectorSearch/SqlDatabaseVectorSearch.csproj

@@ -24,11 +24,11 @@
         <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="1.70.0" />
-        <PackageReference Include="MimeMapping" Version="3.2.0" />
+        <PackageReference Include="MimeMapping" Version="4.0.0" />
         <PackageReference Include="MinimalHelpers.FluentValidation" Version="1.1.8" />
         <PackageReference Include="MinimalHelpers.Routing.Analyzers" Version="1.2.2" />
         <PackageReference Include="PdfPig" Version="0.1.13" />
-        <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="10.1.0" />
+        <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="10.1.1" />
         <PackageReference Include="TinyHelpers.AspNetCore" Version="4.1.15" />
     </ItemGroup>