v3.47.0
`A-->B: message` is now equivalent to `@return A->B: message`. Adds RETURN_ARROW token to the lexer, returnAsyncMessage rule to the parser, and wires it through all parser extensions and the Return component.
`A-->B: message` is now equivalent to `@return A->B: message`. Adds RETURN_ARROW token to the lexer, returnAsyncMessage rule to the parser, and wires it through all parser extensions and the Return component.