build: bump SymbolicUtils compat

Author: AayushSabharwal

Project.toml

@@ -118,7 +118,7 @@ StateSelection = "1.9.1"
 StaticArrays = "1.9.14"
 StochasticDiffEq = "6.82.0, 7"
 SymbolicIndexingInterface = "0.3.39"
-SymbolicUtils = "4.13"
+SymbolicUtils = "4.28"
 Symbolics = "7"
 UnPack = "0.1, 1.0"
 julia = "1.9"