[vimeo:review] Fix config URL extraction (closes #11821)

youtube_dl/extractor/vimeo.py

@@ -884,6 +884,10 @@ class VimeoReviewIE(VimeoBaseInfoExtractor):
 
     def _get_config_url(self, webpage_url, video_id, video_password_verified=False):
         webpage = self._download_webpage(webpage_url, video_id)
+        config_url = self._html_search_regex(
+            r'data-config-url=(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
+            'config URL', default=None, group='url')
+        if not config_url:
             data = self._parse_json(self._search_regex(
                 r'window\s*=\s*_extend\(window,\s*({.+?})\);', webpage, 'data',
                 default=NO_DEFAULT if video_password_verified else '{}'), video_id)