docs(json): Improve Json type hints

[0x676e67]

This pull request includes a change to the Json enum in the src/typing/json.rs file. The change updates the return value of the type_output method to use a more specific type representation.

• src/typing/json.rs: Modified the type_output method to return TypeInfo::with_module("typing.Dict[str, typing.Any]", "typing".into()) instead of TypeInfo::any().