zfs: merge openzfs/zfs@4694131a0 (master) into main

Notable upstream pull request merges:

#12253 module/zfs: simplify ddt_stat_add() loop
#12288 Avoid 64bit division in multilist index functions

Obtained from: OpenZFS
OpenZFS commit: 4694131a0a05b6db2727c9801f9729b9378d3064