feat: update moyu api url

Author: dreamhunter2333

src/server.js

@@ -74,7 +74,12 @@ router.post('/', async (request, env) => {
         });
       }
       case MO_COMMAND.name.toLowerCase(): {
-        const response = await fetch(env.MOYU_URL);
+        const response = await fetch(env.MOYU_URL, {
+          "headers": {
+            "accept": "*/*",
+          },
+          "method": "GET"
+        });
         const text = await response.text();
         return new JsonResponse({
           type: InteractionResponseType.CHANNEL_MESSAGE_WITH_SOURCE,