Trying to propagate a select2 dropdown from an API in Laravel

I am having trouble propagating a selct2 dropdown from data from an API. I am using this example from here

https://select2.org/data-sources/ajax

as well as from here

https://laracasts.com/discuss/channels/laravel/is-it-possible-to-populate-a-select-drop-down-menu-from-an-external-api

Basically, my select2 dropdown is showing, but it is empty.

Here is my select 2 HTML code

<select class="form-control" name="shortcode" id="formControlSelectShortCode" required>

Here is my script

   $('#formControlSelectShortCode').select2({
    ajax: {
        url: 'https://api.github.com/search/repositories',
        dataType: 'json'
      }
    });

I used the 2 pages above as a reference, but the code looks ok from what i can see. it might be an issue with the api, however, the sample on the page works fine.