feat(clients): update client endpoints as of 2023-09-08

Author: awstools

codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json

@@ -20962,6 +20962,12 @@
           "isRegionalized": false,
           "partitionEndpoint": "aws-cn-global"
         },
+        "identitystore": {
+          "endpoints": {
+            "cn-north-1": {},
+            "cn-northwest-1": {}
+          }
+        },
         "internetmonitor": {
           "defaults": {
             "dnsSuffix": "api.amazonwebservices.com.cn",