fix: upgrade kit version to fix CORS vulnerability

Author: H0R5E

package.json

@@ -56,7 +56,7 @@
   },
   "dependencies": {
     "@aws-crypto/sha256-js": "^4.0.0",
-    "@sveltejs/kit": "^1.13.0",
+    "@sveltejs/kit": "^1.15.2",
     "esbuild": "^0.17.10",
     "fs-extra": "^11.1.1",
     "set-cookie-parser": "^2.5.1"