Thats correct, current releases usually do not change Kernel.
This information is well documented.
- https://openwrt.org/docs/techref/targets/kernelversions
- https://openwrt.org/about/history
- https://openwrt.org/releases/22.03/notes-22.03.3#core_components_update
Why are you under the impression that there will be a Kernel update in v 22 (i.e. do you mean to 6.0+)?
EDIT - it seems you asked this before and were given the same answer:
(Please refrain from making duplicate posts.)