Add podcastCover to decideImageWidths - switch (role) (#14774)

* Add podcastCover to the picture.tsx default case.

* remove default in case so that TS will pick up if a role case is missing.

Author: oliverabrahams

dotcom-rendering/src/components/Picture.tsx

@@ -358,8 +358,12 @@ const decideImageWidths = ({
 				];
 			case 'halfWidth':
 				return [{ breakpoint: breakpoints.mobile, width: 445 }];
+			case 'podcastCover':
+				return [
+					{ breakpoint: breakpoints.mobile, width: 140 },
+					{ breakpoint: breakpoints.wide, width: 219 },
+				];
 			case 'inline':
-			default:
 				return [
 					{ breakpoint: breakpoints.mobile, width: 445 },
 					{