Source generator updates: incremental generators: Exploring .NET 6 - Part 9

Improving logging performance with source generators: Exploring .NET 6 - Part 8

Analyzers for ASP.NET Core in .NET 6: Exploring .NET 6 - Part 7

Supporting integration tests with WebApplicationFactory in .NET 6: Exploring .NET 6 - Part 6

Supporting EF Core migrations with WebApplicationBuilder: Exploring .NET 6 - Part 5