The volta maintainers recommend using mise. It is the tool that most of them use nowadays. They're working on getting an official statement out to that effect at some point. Until then, this pinned issue serves as a useful signpost to anyone who visits.

https://mise.jdx.dev/

They sadly do not have time to respond to comments on this issue. However, volta users are free to share their volta->mise migration steps in the comments below.