allow-list hero images for the orphaned files deletions (#57926)

Author: Ebonsignori

assets/images/banner-images/hero-2.png

@@ -48,6 +48,13 @@ const EXCEPTIONS = new Set([
   'assets/images/social-cards/default.png',
   'assets/images/social-cards/issues.png',
   'assets/images/social-cards/code-security.png',
+  // Hero images may not be used, but we keep them around for future use
+  'assets/images/banner-images/hero-1.png',
+  'assets/images/banner-images/hero-2.png',
+  'assets/images/banner-images/hero-3.png',
+  'assets/images/banner-images/hero-4.png',
+  'assets/images/banner-images/hero-5.png',
+  'assets/images/banner-images/hero-6.png',
 ])
 
 function isExceptionPath(imagePath: string) {