QMCPACK / QMCPACK/qmcpack

Update cuSolver calls for CUDA 11.1 and beyond

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Description

**Is your feature request related to a problem? Please describe.**
Since cuSolver 11 (shipped by CUDA 11.1), the getrf/getrs APIs used by QMCPACK are deprecated.
We will need to update the integration. However, CUDA 11.0 is still default on multiple systems . It was within 2 years and it shipped cuSolver 10.x. For this reason, we will need to support both and the selection can be done via checking CUSOLVER_VERSION.

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