CompatHelper: bump compat for SymbolicUtils to 1, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -14,6 +14,6 @@ ZygoteRules = "700de1a5-db45-46bc-99cf-38207098b444"
 ChainRules = "1"
 ChainRulesCore = "1"
 ChainRulesOverloadGeneration = "0.1"
-SymbolicUtils = "0.19, 0.20"
+SymbolicUtils = "0.19, 0.20, 1"
 ZygoteRules = "0.2"
 julia = "1.6"