Magic Enum v0.9.6

Release v0.9.6

• Support C++20 module. (#343) (#350)
• Сhecking that the enum is valid (not empty and not forward declaration) (#320) (#323)
• Add enum_reflected (#355)
• Add support for overriding MAGIC_ENUM_ASSERT (#322)
• Add better support for Yocto/PetaLinux (#360)
• Fix -wshadow (#354)