Bump Microsoft.Extensions.Hosting from 10.0.2 to 10.0.3 (#328)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Hosting
  dependency-version: 10.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

Part 8 - Enhanced MCP Server/ContosoOrdersMcpServer/ContosoOrdersMcpServer.csproj

@@ -26,7 +26,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.2" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.3" />
     <PackageReference Include="ModelContextProtocol" Version="0.3.0-preview.4" />
   </ItemGroup>