chore: bump deps

Author: titanism

package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "@koa/router": "^13.1.0",
     "@ladjs/i18n": "^8.0.3",
-    "@ladjs/koa-better-static": "^2.0.1",
+    "@ladjs/koa-better-static": "^3.0.0",
     "@ladjs/koa-cache-responses": "^1.0.0",
     "@ladjs/koa-isajax": "^2.0.0",
     "@ladjs/koa-simple-ratelimit": "^4.1.1",