[R] update note about qs (#11125) #13895

Job	Run time
Build CPU	13m 58s
Build CPU ARM64 + manylinux_2_28_aarch64 wheel	3m 3s
Build CUDA + manylinux_2_28_x86_64 wheel	20m 16s
Build CUDA with RMM	21m 49s
Build CUDA with RMM (dev)	21m 39s
Build GPU-enabled R package	13m 47s
Build manylinux2014_aarch64 wheel	3m 0s
Build manylinux2014_x86_64 wheel	3m 31s
Run Python tests (single-gpu)	6m 48s
Run Python tests (multiple-gpu)	14m 23s
Run Python tests (cpu-amd64)	18m 33s
Run Python tests (cpu-arm64)	1m 15s
Run Google Tests with GPUs (Suite gpu, Runner linux-amd64-gpu)	4m 32s
Run Google Tests with GPUs (Suite gpu-rmm, Runner linux-amd64-gpu)	4m 20s
Run Google Tests with GPUs (Suite mgpu, Runner linux-amd64-mgpu)	2m 43s
	2h 33m 37s

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