Emulation of Rusts `?` Result operator (implicit return for errors)

neverthrow now can support implicit return whenever there is an Err instance inside of a generator.

Context: #448

Thank you to @tsuburin for the contribution 🚀

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Additionally, the previous functionality around increasing the tuple size supported by neverthrow is now live and out of beta. Context: https://github.com/supermacro/neverthrow/releases/tag/v6.0.1-0