[Bot] Update /streams

Committed by [iptv-bot](https://github.com/apps/iptv-bot) via [update](https://github.com/iptv-org/iptv/actions/runs/8682217938) workflow.

closes #16339

streams/kh.m3u

@@ -33,3 +33,5 @@ http://clive.malisresidences.com:1935/hm_hdtv/_definst_/smil:HMHDTV.smil/playlis
 http://clive.malisresidences.com:1935/rhm_hdtv/_definst_/smil:RHMHDTV.smil/playlist.m3u8
 #EXTINF:-1 tvg-id="TV5Cambodia.kh",TV5 Cambodia (720p)
 https://live.kh.malimarcdn.com/live/tv5.stream/playlist.m3u8
+#EXTINF:-1 tvg-id="TV3.kh",TV 3 (720p)
+https://edge6a.v2h-cdn.com/tv3/tv3.stream/playlist.m3u8