build: bump SSel compat

Author: AayushSabharwal

lib/ModelingToolkitTearing/Project.toml

@@ -36,7 +36,7 @@ OrderedCollections = "1.8.1"
 SciMLBase = "2.108"
 Setfield = "0.7, 0.8, 1"
 SparseArrays = "1"
-StateSelection = "1.8"
+StateSelection = "1.9"
 SymbolicIndexingInterface = "0.3"
 SymbolicUtils = "4.3"
 Symbolics = "7.15.1"