[cleanup] Replace improper use of tab in trovo (#719)

:ci skip

Authored by: glenn-slayden

yt_dlp/extractor/trovo.py

@@ -36,7 +36,7 @@ def _real_extract(self, url):
                 'query': '''{
   getLiveInfo(params: {userName: "%s"}) {
     isLive
-    programInfo	{
+    programInfo {
       coverUrl
       id
       streamInfo {