fix: add sagemaker clarify image account for cgk region (aws#3305)

Co-authored-by: Pranav Krishnan <[email protected]>
Co-authored-by: Basil Beirouti <[email protected]>

Author: 3 people

src/sagemaker/image_uri_config/clarify.json

@@ -11,6 +11,7 @@
                     "ap-south-1": "452307495513",
                     "ap-southeast-1": "834264404009",
                     "ap-southeast-2": "007051062584",
+                    "ap-southeast-3": "705930551576",
                     "ca-central-1": "675030665977",
                     "cn-north-1": "122526803553",
                     "cn-northwest-1": "122578899357",