lowerbound Symbolics to use the new calling convention

Author: shashi

Project.toml

@@ -73,7 +73,7 @@ Setfield = "0.7, 0.8, 1"
 SpecialFunctions = "0.7, 0.8, 0.9, 0.10, 1.0, 2"
 StaticArrays = "0.10, 0.11, 0.12, 1.0"
 SymbolicUtils = "0.19"
-Symbolics = "4.5.0"
+Symbolics = "4.9"
 UnPack = "0.1, 1.0"
 Unitful = "1.1"
 julia = "1.6"