Exception when upgrading to .NET 6 and ef core 6

[jjxtra]

Seeing this in my logs, looks like something broke with the .NET 6 or entity framework core 6 upgrade... I'm using nuget 6.0.1. No compile errors.

Perhaps IModel FindEntityType was removed or linked inproperly?

I built from and included the source instead of the nuget and it worked fine.

 System.MissingMethodException: Method not found: 'Microsoft.EntityFrameworkCore.Metadata.IEntityType Microsoft.EntityFrameworkCore.ModelExtensions.FindEntityType(Microsoft.EntityFrameworkCore.Metadata.IModel, System.Type)'.'.
   at FlexLabs.EntityFrameworkCore.Upsert.UpsertCommandBuilder`1..ctor(DbContext dbContext, ICollection`1 entities)
   at Microsoft.EntityFrameworkCore.UpsertExtensions.UpsertRange[TEntity](DbContext dbContext, IEnumerable`1 entities) in /_/src/FlexLabs.EntityFrameworkCore.Upsert/UpsertExtensions.cs:line 73
   at Microsoft.EntityFrameworkCore.UpsertExtensions.UpsertRange[TEntity](DbSet`1 dbSet, IEnumerable`1 entities) in /_/src/FlexLabs.EntityFrameworkCore.Upsert/UpsertExtensions.cs:line 130