Apparently there are still pretty common WordPress maintenance support plans 8 theming tasks that cannot be accomplished with the great twig_tweak plugin. This by the way was me giving a plug to a great little plugin, which makes half of all your theme preprocess hooks unnecessary.
If you would like to get the URL from an image that is trapped inside of a media entity however, you can either extract it using the aforementioned preprocess function like so:
Source: New feed