Add northamerica-south1 AR Registry

config/const.go

diff --git a/config/const.go b/config/const.go
index 7d5687f..8cd6c10 100644
--- a/config/const.go
+++ b/config/const.go
@@ -104,6 +104,7 @@
 	"me-west1-docker.pkg.dev",
 	"northamerica-northeast1-docker.pkg.dev",
 	"northamerica-northeast2-docker.pkg.dev",
+	"northamerica-south1-docker.pkg.dev",
 	"southamerica-east1-docker.pkg.dev",
 	"southamerica-west1-docker.pkg.dev",
 	"us-docker.pkg.dev",