chore(deps): bump Microsoft.AspNetCore.Identity.EntityFrameworkCore

Bumps [Microsoft.AspNetCore.Identity.EntityFrameworkCore](https://github.com/dotnet/aspnetcore) from 6.0.0 to 8.0.0-preview.7.23375.9.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v6.0.0...v8.0.0-preview.7.23375.9)

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.Identity.EntityFrameworkCore
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

src/Finbuckle.MultiTenant.EntityFrameworkCore/Finbuckle.MultiTenant.EntityFrameworkCore.csproj

@@ -24,14 +24,14 @@
       <ItemGroup>
         <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="7.0.0" />
         <PackageReference Include="Microsoft.Extensions.Identity.Stores" Version="7.0.0" />
-        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="7.0.0" />
+        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="8.0.0-preview.7.23375.9" />
       </ItemGroup>
     </When>
     <When Condition=" '$(TargetFramework)' == 'net6.0' ">
       <ItemGroup>
         <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.0" />
         <PackageReference Include="Microsoft.Extensions.Identity.Stores" Version="6.0.0" />
-        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="6.0.0" />
+        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="8.0.0-preview.7.23375.9" />
       </ItemGroup>
     </When>
   </Choose>