build(deps): Bump Microsoft.EntityFrameworkCore.Design (#265)

Bumps [Microsoft.EntityFrameworkCore.Design](https://github.com/dotnet/efcore) from 9.0.3 to 9.0.4.
- [Release notes](https://github.com/dotnet/efcore/releases)
- [Commits](dotnet/efcore@v9.0.3...v9.0.4)

---
updated-dependencies:
- dependency-name: Microsoft.EntityFrameworkCore.Design
  dependency-version: 9.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

GraphQLNetExample/GraphQLNetExample.csproj

@@ -12,7 +12,7 @@
     <PackageReference Include="GraphQL.Server.Transports.AspNetCore" Version="8.0.3" />
     <PackageReference Include="GraphQL.Server.Ui.Altair" Version="8.2.0" />
     <PackageReference Include="GraphQL.SystemTextJson" Version="8.5.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.3">
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>