Support new functionality from KA 0.9.32

[vchuravy]

Particularly:

• pagelock! == pin
• multi-GPU

[github-actions]

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diff --git a/src/CUDAKernels.jl b/src/CUDAKernels.jl
index 28f29b92f..de954caa0 100644
--- a/src/CUDAKernels.jl
+++ b/src/CUDAKernels.jl
@@ -56,11 +56,11 @@ function KA.ndevices(::CUDABackend)
 end
 
 function KA.device(::CUDABackend)
-    deviceid(state.device)+1
+    return deviceid(state.device) + 1
 end
 
 function KA.device!(::CUDABackend, id)
-    device!(id-1)
+    return device!(id - 1)
 end
 
 ## kernel launch

[maleadt]

So you're going with integer device IDs? Not sure that's the most portable decision...

Anyhow, CI failures related.