Use cudarc 0.15.2. (#2896) #11

Job	Run time
Rustfmt	9s
Clippy	1m 55s
Check (ubuntu-latest, stable)	1m 21s
Test Suite (ubuntu-latest, stable)	6m 4s
Check (windows-latest, stable)	2m 41s
Test Suite (windows-latest, stable)	12m 36s
Check (macOS-latest, stable)	1m 16s
Test Suite (macOS-latest, stable)	3m 21s
	29m 23s

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