Set correct aws partition on s3 resource.

[Resolves #10061]

builtin/providers/aws/resource_aws_s3_bucket.go

@@ -905,7 +905,7 @@ func resourceAwsS3BucketRead(d *schema.ResourceData, meta interface{}) error {
 		return err
 	}
 
-	d.Set("arn", fmt.Sprint("arn:aws:s3:::", d.Id()))
+	d.Set("arn", fmt.Sprintf("arn:%s:s3:::%s", meta.(*AWSClient).partition, d.Id()))
 
 	return nil
 }