message: fix: Apply crossorigin attribute with setAttribute tag
  The crossorigin attribute is not being applied to the script tag when the assignment `_newScriptTag.crossorigin = 'anonymous'` but using `setAttribute()` applies the attribute correctly.
diff: var _currentScriptTag = _document.getElementsByTagName(_script)[0];
  var _newScriptTag = _document.createElement(_script);
  _newScriptTag.src = _sdkBundleUrl;
  - _newScriptTag.crossorigin = 'anonymous';
  + _newScriptTag.setAttribute('crossorigin', 'anonymous');
  // Once our SDK is loaded
  _newScriptTag.addEventListener('load', function() {
  