fix(deps): update dependency express to v5

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "dotenv": "^16.4.5",
-    "express": "^4.21.1",
+    "express": "^5.0.0",
     "livekit-server-sdk": "^2.8.1"
   },
   "devDependencies": {