Update Project.toml

Author: ChrisRackauckas

Project.toml

@@ -79,7 +79,7 @@ BlockDiagonals = "0.1.42, 0.2"
 blis_jll = "0.9.0"
 CUDA = "5"
 CUDSS = "0.1, 0.2, 0.3, 0.4"
-CUSOLVERRF = "0.3"
+CUSOLVERRF = "0.2.6"
 ChainRulesCore = "1.22"
 ConcreteStructs = "0.2.3"
 DocStringExtensions = "0.9.3"