chore: bump version with preference key change (soft deprecation)

Author: MilesCranmer

Project.toml

@@ -1,7 +1,7 @@
 name = "DispatchDoctor"
 uuid = "8d63f2c5-f18a-4cf2-ba9d-b3f60fc568c8"
 authors = ["MilesCranmer <miles.cranmer@gmail.com> and contributors"]
-version = "0.4.18"
+version = "0.4.19"
 
 [deps]
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"