There's a closed pull request on the void-packages repository

py-spy: update to 0.3.3.
https://github.com/void-linux/void-packages/pull/27516

Description:
Remove limit of archs

Closes:#22932

Added makedepends="libunwind-devel" since it ends up linking against libunwind, submitted issue upstream https://github.com/benfred/py-spy/issues/334