v5.0.1

Surrogates v5.0.1

Diff since v5.0.0

Closed issues:

• Large conflict chain due to PolyChaos (#334)
• NeuralSurrogates on GPU (#339)

Merged pull requests:

• add note about need for hyperoptimization in abstractgps surrogate (#336) (@vikram-s-narayan)
• Remove Flux and PolyChaos as necessary dependencies (#340) (@sharanry)