CompatHelper: bump compat for SymbolicUtils to 4 for package downstream, (keep existing compat)

Author: CompatHelper Julia

test/downstream/Project.toml

@@ -55,7 +55,7 @@ StochasticDelayDiffEq = "1"
 StochasticDiffEq = "6"
 Sundials = "4.11, 5"
 SymbolicIndexingInterface = "0.3"
-SymbolicUtils = "<1.6, 2, 3"
+SymbolicUtils = "<1.6, 2, 3, 4"
 Tables = "1"
 Unitful = "1.12"
 Zygote = "0.6, 0.7"