Passing a username as "organizations" config value crashes the tap

The following config:

{
    "auth_token": access_token,
    "start_date": "2022-12-09",
    "organizations": ["laurents"]
}

will crash the tap with the following traceback (trimmed to the useful part):

2022-12-09 17:36:11,534 Beginning incremental sync of 'repositories'...
2022-12-09 17:36:11,534 Tap has custom mapper. Using 1 provided map(s).
2022-12-09 17:36:11,900 Tap will run with 1 auth tokens
Traceback (most recent call last):
[...]
  File "tap_github/repository_streams.py", line 182, in get_records
    yield from super().get_records(context)
  File "singer_sdk/streams/rest.py", line 537, in get_records
    for record in self.request_records(context):
  File "singer_sdk/streams/rest.py", line 357, in request_records
    resp = decorated_request(prepared_request, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "backoff/_sync.py", line 105, in retry
    ret = target(*args, **kwargs)
          ^^^^^^^^^^^^^^^^^^^^^^^
  File "singer_sdk/streams/rest.py", line 253, in _request
    self.validate_response(response)
  File "/tap_github/client.py", line 233, in validate_response
    raise FatalAPIError(msg)
singer_sdk.exceptions.FatalAPIError: 404 Client Error: b'{"message":"Not Found","documentation_url":"https://docs.github.com/rest/reference/repos#list-organization-repositories"}' (Reason: Not Found) for path: /orgs/laurents/repos

This is because my username is not an org from github's perspective. Calling the users/laurents/repos endpoint works fine on the other hand.

I'm not sure what the best solution is:

• let calling code check that the values are valid. I don't think this is right, the tap shouldn't crash.
• run a preliminary query like we do for repositories and use it to filter out invalid org names.
• handle the error where it's raised, but it's difficult to have enough context to do it properly.
• any other ideas?

Reproduce the failure with the reported organizations configuration, then inspect tap_github/repository_streams.py at get_records and tap_github/client.py at validate_response. Compare the organization and user repository endpoints described in the report. Done should include a regression check showing that a username in organizations receives a defined non-crashing outcome.