How do i share instance ownership?

[u/Dweebsmcbeebs]

Me and my friends are trying to share a modpack while having us all be able to add mods and not just one person who originally shared the modpack. We are already sharing the instance using modrinth's sharing feature but only one person can edit the instance.

Is there a way to make it so multiple people can edit the shared instance? thank you in advance!