build(deps): Bump Microsoft.EntityFrameworkCore.SqlServer

Bumps [Microsoft.EntityFrameworkCore.SqlServer](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.SqlServer
  dependency-version: 9.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

GraphQLNetExample/GraphQLNetExample.csproj

@@ -16,7 +16,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>