1.1.2

• Add TargetFramework net8.0.
• Remove TargetFramework netcoreapp3.1.
• Update Autofac to 7.1.0.

1.1.0

• Add a new Configure method on CompositionRootBuilder that allows
  arbitrary setup code to run on the underlying ContainerBuilder.

1.0.0

• Remove upper constraint on System.Collections.Immutable
• Add symbols package
• Add [Pure] attributes to pure builder methods

0.2.1

• Add compatibility for Autofac 6.x.
• Only depend on System.Collections.Immutable when targeting .NET Standard.

0.2.0

• Update Autofac to 5.1.
• Add support for .NET Standard 2.0.