You should check out also this forum-post: Update Nextcloud-Versions in Nextcloudpi - #6 by geoW and a few posts below from @geoW. I had the same question and it helped me a lot!
You should check out also this forum-post: Update Nextcloud-Versions in Nextcloudpi - #6 by geoW and a few posts below from @geoW. I had the same question and it helped me a lot!