Merge pull request #1196 from ameukam/add-africa-south1

Add AR regions for image promotion

Author: k8s-ci-robot

docker/config.json

@@ -6,6 +6,7 @@
     "asia.gcr.io": "gcloud",
     "staging-k8s.gcr.io": "gcloud",
     "marketplace.gcr.io": "gcloud",
+    "africa-south1-docker.pkg.dev": "gcloud",
     "asia-east1-docker.pkg.dev": "gcloud",
     "asia-east2-docker.pkg.dev": "gcloud",
     "asia-northeast1-docker.pkg.dev": "gcloud",
@@ -29,6 +30,8 @@
     "europe-west6-docker.pkg.dev": "gcloud",
     "europe-west8-docker.pkg.dev": "gcloud",
     "europe-west9-docker.pkg.dev": "gcloud",
+    "me-central1-docker.pkg.dev": "gcloud",
+    "me-central2-docker.pkg.dev": "gcloud",
     "northamerica-northeast1-docker.pkg.dev": "gcloud",
     "northamerica-northeast2-docker.pkg.dev": "gcloud",
     "southamerica-east1-docker.pkg.dev": "gcloud",