[sky] add support for news.sky.com (closes #13055)

youtube_dl/extractor/extractors.py

@@ -1033,7 +1033,10 @@ from .skynewsarabia import (
     SkyNewsArabiaIE,
     SkyNewsArabiaArticleIE,
 )
-from .skysports import SkySportsIE
+from .sky import (
+    SkyNewsIE,
+    SkySportsIE,
+)
 from .slideshare import SlideshareIE
 from .slideslive import SlidesLiveIE
 from .slutload import SlutloadIE