Update Project.toml

Author: ChrisRackauckas

lib/SimpleNonlinearSolve/Project.toml

@@ -22,7 +22,7 @@ NNlib = "872c559c-99b0-510c-b3b7-b6c96a88d5cd"
 SimpleBatchedNonlinearSolveExt = "NNlib"
 
 [compat]
-ArrayInterface = "7"
+ArrayInterface = "6, 7"
 DiffEqBase = "6.114"
 FiniteDiff = "2"
 ForwardDiff = "0.10.3"