fix a type error

package.json

@@ -1,6 +1,6 @@
 {
   "name": "adventurers-guild",
-  "version": "0.14.1",
+  "version": "0.14.2",
   "private": true,
   "scripts": {
     "dev": "vite",

src/components/AdventurerList.vue

@@ -22,9 +22,9 @@ export default defineComponent({
   }),
   props: {
     adventurers: {
-      type: Object as PropType<{ [key: string]: Adventurer }>,
+      type: Object as PropType<Array<Adventurer>>,
       default() {
-        return {} as { [key: string]: Adventurer };
+        return [] as Array<Adventurer>;
       },
     },
   },