Add links to API reference docs in runtime section #19963

Job	Run time
Build workflow from matrix	23s
Build documentation	4m 8s
Verify Dev Containers / Verify devcontainer files are up-to-date	31s
Build MatX (optional) / Build MatX	54m 11s
Build RAPIDS (optional) / Check GH Event	2s
matrix.name	0s
Build PyTorch (optional) / Build PyTorch	16m 2s
matrix.name	0s
matrix.name	0s
Verify and summarize workflow results	22s
Test CPU-only import	5s
matrix.name	0s
Build RAPIDS (optional) / rmm ucxx raft cuvs cuml	50m 55s
Build RAPIDS (optional) / rmm ucxx raft cugraph	1h 7m 54s
Build RAPIDS (optional) / rmm kvikio cudf cudf_kafka	1h 15m 31s
Verify Dev Containers / matrix.devcontainer.name	0s
CI	2s
Build PyTorch (optional) / Notify Slack of PyTorch failure	-1s
Build MatX (optional) / Notify Slack of MatX failure	0s
Build RAPIDS (optional) / Notify Slack of RAPIDS failure	0s
	4h 30m 5s

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