Add ap-southeast-3, ap-southeast-5, ap-southeast-7 in ZONE_ID_MAPPING (#6793)

Author: hehe7318

tests/integration-tests/conftest_networking.py

@@ -68,6 +68,9 @@
     "ap-south-1": "^aps1-az[0-9]",
     "ap-southeast-1": "^apse1-az[0-9]",
     "ap-southeast-2": "^apse2-az[0-9]",
+    "ap-southeast-3": "^apse3-az[0-9]",
+    "ap-southeast-5": "^apse5-az[0-9]",
+    "ap-southeast-7": "^apse7-az[0-9]",
     "ca-central-1": "^cac1-az[0-9]",
     "cn-north-1": "^cnn1-az[0-9]",
     "cn-northwest-1": "^cnnw1-az[0-9]",