Only voters can. Directly. At the ballot box.
So don’t hold your breath. Any other remedy wouldn’t really be legal nor legitimate because of the nature of ballot initiatives, particularly ones that amend the State constitution.
Proposition 13 is sitting on top of a long pile of ballot-passed laws that have over time convinced me the entire ballot initiative process is actually a mistake and primarily enables bad but popular laws.
Kudos to the uv developers for creating such an amazing piece of software!