- Change TFM and LangVersion
- Better exception throwing (CA1510, CA1512, CA1513)
- Better exception utility method definition (CA1859)
- Prefer comparing `.Count` over calling `.Any()` (CA1860)
- Prefer `.AsSpan()` over `.Substring()` (CA1846)
- Add a few more `scoped`
- Use `RuntimeHelpers.GetUninitializedObject()` instead of `FormatterServices.GetUninitializedObject()`
- Use delegate instead of delegate pointer in variant generic conversions
- Enable EnforceExtendedAnalyzerRules in source generator projects
- Disable CS8981 on structs named movable in Godot.NativeInterop
- Bootstrap xUnit project to test source generators
- Implement source generator tests
- Better tests structure (put test data in cs files)
- Enable `ScriptSerializationGeneratorTests`
- Enable `ScriptPathAttributeGeneratorTests`
- Fix `NesterClass` -> `NestedClass`
- Use `Path.Combine` when dealing with paths
- Copy test data to the output directory
