CompatHelper: bump compat for SpecialFunctions to 2, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -70,7 +70,7 @@ RuntimeGeneratedFunctions = "0.4.3, 0.5"
 SafeTestsets = "0.0.1"
 SciMLBase = "1.3"
 Setfield = "0.7, 0.8"
-SpecialFunctions = "0.7, 0.8, 0.9, 0.10, 1.0"
+SpecialFunctions = "0.7, 0.8, 0.9, 0.10, 1.0, 2"
 StaticArrays = "0.10, 0.11, 0.12, 1.0"
 SymbolicUtils = "0.18"
 Symbolics = "4.0.0"