v2.3.2 - Dependency reductions and interface improvements

This is a minor improvement release.

• The memory layout of nullables are scanned at runtime, instead of having hardcoded assumptions.
• Make StrictEmit a private dependency.
• Move to Humanizer.Core to reduce the dependency footprint
• Ensure duplicate interface members are explicitly overridden
• Add some useful overloads to DiscoverCompiledTypes.
• Save AOT assemblies to a single file