v3.20.0

• Adding some missing unit test by @techmahedy in #242
• adding missing unit test for or* query by @techmahedy in #243
• Deprecate CastToDate in favor of attribute cast system by @techmahedy in #244
• feat: Add #[Computed] attribute for virtual model properties by @techmahedy in #245
• Fix redundant instantiations and uncached reflection in model internals by @techmahedy in #246