build: bump Symbolics compat

Author: AayushSabharwal

Project.toml

@@ -143,7 +143,7 @@ StochasticDiffEq = "6.72.1"
 StochasticDelayDiffEq = "1.8.1"
 SymbolicIndexingInterface = "0.3.36"
 SymbolicUtils = "3.7"
-Symbolics = "6.19"
+Symbolics = "6.22.1"
 URIs = "1"
 UnPack = "0.1, 1.0"
 Unitful = "1.1"