Cannot use us-east-1 location in dstack config

[eafpres]

Windows 11 (preview), Powershell.

(python38) PS C:\Users\bbate> aws configure list-profiles
eb-cli
default
autonet
(python38) PS C:\Users\bbate> aws configure list --profile default
      Name                    Value             Type    Location
      ----                    -----             ----    --------
   profile                  default           manual    --profile
access_key     ****************LZZW shared-credentials-file
secret_key     ****************vcH8 shared-credentials-file
    region                us-east-1      config-file    ~/.aws/config

(python38) PS C:\Users\bbate> dstack config
Configure AWS backend:

AWS profile name (default):
S3 bucket name (test-dstack): eaf-test-dstack
Region name (us-east-1):
The bucket 'eaf-test-dstack' doesn't exist. Create it? [y/n]: y

Traceback (most recent call last):
  File "c:\users\bbate\python38\lib\site-packages\dstack\aws\config.py", line 9, in configure
    s3_client.head_bucket(Bucket=bucket_name)
  File "c:\users\bbate\python38\lib\site-packages\botocore\client.py", line 388, in _api_call
    return self._make_api_call(operation_name, kwargs)
  File "c:\users\bbate\python38\lib\site-packages\botocore\client.py", line 708, in _make_api_call
    raise error_class(parsed_response, operation_name)
botocore.exceptions.ClientError: An error occurred (404) when calling the HeadBucket operation: Not Found

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\users\bbate\appdata\local\programs\python\python38\lib\runpy.py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "c:\users\bbate\appdata\local\programs\python\python38\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "C:\Users\bbate\python38\Scripts\dstack.exe\__main__.py", line 7, in <module>
  File "c:\users\bbate\python38\lib\site-packages\dstack\cli\main.py", line 68, in main
    args.func(args)
  File "c:\users\bbate\python38\lib\site-packages\dstack\cli\config.py", line 36, in config_func
    backend.configure(silent=False)
  File "c:\users\bbate\python38\lib\site-packages\dstack\aws\__init__.py", line 44, in configure
    config.configure(self._iam_client(), self._s3_client(), self.backend_config.bucket_name,
  File "c:\users\bbate\python38\lib\site-packages\dstack\aws\config.py", line 12, in configure
    s3_client.create_bucket(Bucket=bucket_name, CreateBucketConfiguration={
  File "c:\users\bbate\python38\lib\site-packages\botocore\client.py", line 388, in _api_call
    return self._make_api_call(operation_name, kwargs)
  File "c:\users\bbate\python38\lib\site-packages\botocore\client.py", line 708, in _make_api_call
    raise error_class(parsed_response, operation_name)
botocore.exceptions.ClientError: An error occurred (InvalidLocationConstraint) when calling the CreateBucket operation: The specified location-constraint is not valid

This problem is due to the AWS API not accepting us-east-1 as a LocationConstraint, apparently due to it being the default for S3 creation. It is mentioned in this issue for boto3:

boto/boto3#125

It appears to be a known issue, not likely fixed soon, so it should be handled on the dstack side.