Update to ytdl-commit-8a158a9

[NHK] Use new API URL
https://github.com/ytdl-org/youtube-dl/commit/6508688e88c83bb811653083db9351702cd39a6a

Closes #2337, Closes #4063

yt_dlp/extractor/bilibili.py

@@ -677,6 +677,11 @@ class BilibiliAudioIE(BilibiliAudioBaseIE):
             'vcodec': 'none'
         }]
 
+        for a_format in formats:
+            a_format.setdefault('http_headers', {}).update({
+                'Referer': url,
+            })
+
         song = self._call_api('song/info', au_id)
         title = song['title']
         statistic = song.get('statistic') or {}