Update package list in change note

Author: egregius313

go/ql/lib/change-notes/2024-08-12-add-environment-models.md

@@ -3,6 +3,9 @@ category: minorAnalysis
 ---
 * Local source models for reading and parsing environment variables have been added for the following libraries:
   - os
+  - syscall
+  - github.com/caarlos0/env
+  - github.com/gobuffalo/envy
   - github.com/hashicorp/go-envparse
   - github.com/joho/godotenv
   - github.com/kelseyhightower/envconfig