[Bot] Update /streams

Committed by [iptv-bot](https://github.com/apps/iptv-bot) via [update](https://github.com/iptv-org/iptv/actions/runs/7894412094) workflow.

closes #15850, closes #15848, closes #15847

streams/at.m3u

@@ -65,3 +65,7 @@ http://89.187.168.245:8080/live/sUPPERchannel2/index.m3u8
 https://live1.markenfunk.com/t1/ngrp:live_all/playlist.m3u8
 #EXTINF:-1 tvg-id="W24.at",W24 (720p) [Not 24/7]
 https://ms01.w24.at/W24/smil:liveevent.smil/playlist.m3u8
+#EXTINF:-1 tvg-id="MelodieExpress.at",Melodie Express
+https://rpn3.bozztv.com/ssh101/ssh101/melodietvlive/playlist.m3u8
+#EXTINF:-1 tvg-id="K19.at",K19
+https://1853185335.rsc.cdn77.org/K192/tv/playlist.m3u8

streams/bg.m3u

@@ -54,3 +54,5 @@ http://zagoratv.ddns.net:8080/tvzagora.m3u8
 https://stream.osc.bg/tvart/Stream3/playlist.m3u8
 #EXTINF:-1 tvg-id="TVNBulgaria.bg",TVN-Bulgaria (1080p)
 https://obs.friendshipchurch.eu/tvn/mystream.m3u8
+#EXTINF:-1 tvg-id="HopeChannelBulgaria.bg",Hope Channel Bulgaria
+https://hc1.hopetv.bg/live/hopetv_all.smil/playlist.m3u8