Authentication failure#339

### PHP Version 8.2.20 ### PHP date.timezone Europe/Berlin ### ICS Parser Version 3.4.0 ### Operating System Linux ### Description With updating from version 3.3.1 to 3.4 the authentication does no longer work. Error message: `file(https://example.com/ics): Failed to open stream: HTTP request failed! HTTP/1.1 401 Unauthorized` ### Steps to Reproduce ```php $ical = new ICal('ical.ics'); // real url exchanged with example url $ical->initUrl('https://example.com/ics', 'username', 'password'); ``` This is basically the code of the example you provided. This works in 3.3.1 without any issues. After updating to 3.4, the server responds with the error mentioned above. After downgrading to 3.3.1 it works again.