CompatHelper: bump compat for ArrayInterface to 4, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -18,7 +18,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 UnPack = "3a884ed6-31ef-47d7-9d2a-63182c4928ed"
 
 [compat]
-ArrayInterface = "2, 3"
+ArrayInterface = "2, 3, 4"
 FiniteDiff = "2"
 ForwardDiff = "0.10.3"
 IterativeSolvers = "0.9"