feat(theme)!: migrate from heroicons to lucide (#2540)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/app/components/content/examples/breadcrumb/BreadcrumbCustomSlotExample.vue

@@ -4,7 +4,7 @@ const items = [{
   to: '/'
 }, {
   slot: 'dropdown',
-  icon: 'i-heroicons-ellipsis-horizontal',
+  icon: 'i-lucide-ellipsis',
   children: [{
     label: 'Documentation'
   }, {