CompatHelper: bump compat for CTModels to 0.6, (drop existing compat)

Author: CompatHelper Julia

Project.toml

@@ -16,7 +16,7 @@ DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
 CTBase = "0.16"
 CTDirect = "0.14"
 CTFlows = "0.8"
-CTModels = "0.5"
+CTModels = "0.6"
 CTParser = "0.4"
 CommonSolve = "0.2"
 DocStringExtensions = "0.9"