v3.9

Changes

• Added support for inner dataclasses without mashumaro mixins (#109)
• Added support for default_factory by JSON Schema generator (#114)
• Added ability to override additionalProperties in JSON Schema (#123)
• Added ability to add "description" keyword in JSON Schema by using "description" key in dataclass field metadata (#125)
• Fixed default reference prefix in JSON Schema 2022-12 dialect (#126)
• Fixed handling of Annotated type with unhashable metadata (#133)