Updated endpoints.json and partitions.json.

Author: aws-sdk-java-automation

.changes/next-release/feature-AWSSDKforJavav2-0443982.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "AWS SDK for Java v2",
+    "contributor": "",
+    "description": "Updated endpoint and partition metadata."
+}

core/regions/src/main/resources/software/amazon/awssdk/regions/internal/region/endpoints.json

@@ -38156,7 +38156,8 @@
       },
       "datasync" : {
         "endpoints" : {
-          "us-isob-east-1" : { }
+          "us-isob-east-1" : { },
+          "us-isob-west-1" : { }
         }
       },
       "directconnect" : {