Update us.m3u

Added link from https://github.com/iptv-org/iptv/issues/1938#issuecomment-824893870

channels/us.m3u

@@ -3298,3 +3298,5 @@ https://jukin-peopleareawesome-2-de.samsung.wurl.com/manifest/playlist.m3u8
 https://tastemade-de-samsung.amagi.tv/playlist.m3u8
 #EXTINF:-1 tvg-id="ThePetCollective.de" tvg-name="The Pet Collective" tvg-country="INT" tvg-language="" tvg-logo="https://i.imgur.com/RHqiy4Z.png" group-title="",The Pet Collective
 https://the-pet-collective-international-de.samsung.wurl.com/manifest/playlist.m3u8
+#EXTINF:-1 tvg-country="JP" tvg-language="Japan",Disney Channel Japan
+http://redlabmcdn.s.llnwi.net/jp01/bs13/index.m3u8