Radxa zero kernel 6.1.x source code

The running kernel after apt update is 6.1.68-2-stable, but the branch mentioned in kernel build guide is linux-5.10.y-radxa-zero. I couldn’t find the 6.1 branch for zero.
Should I use the branch linux-6.1-stan-rkr1 instead?

https://wiki.radxa.com/Zero/dev/kernel#Get_kernel_source_code