plugins.crunchyroll: update auth logic
plugins.crunchyroll: update auth logic

bastimeyer/streamlink,melmorabity/streamlink,chhe/streamlink,chhe/streamlink,gravyboat/streamlink,beardypig/streamlink,streamlink/streamlink,melmorabity/streamlink,bastimeyer/streamlink,gravyboat/streamlink,beardypig/streamlink,streamlink/streamlink