add missing regions for inference.

Author: Mike Schneider

src/sagemaker/image_uri_config/pytorch.json

@@ -1760,6 +1760,8 @@
                     "ap-southeast-3": "907027046896",
                     "ap-southeast-4": "457447274322",
                     "ca-central-1": "763104351884",
+                    "cn-north-1": "727897471807",
+                    "cn-northwest-1": "727897471807",
                     "eu-central-1": "763104351884",
                     "eu-north-1": "763104351884",
                     "eu-west-1": "763104351884",
@@ -1770,6 +1772,10 @@
                     "sa-east-1": "763104351884",
                     "us-east-1": "763104351884",
                     "us-east-2": "763104351884",
+                    "us-gov-east-1": "446045086412",
+                    "us-gov-west-1": "442386744353",
+                    "us-iso-east-1": "886529160074",
+                    "us-isob-east-1": "094389454867",
                     "us-west-1": "763104351884",
                     "us-west-2": "763104351884"
                 },