Update dependency chokidar to v5

Author: renovate[bot]

backend/package.json

@@ -25,7 +25,7 @@
     "joi": "^17.11.0",
     "dotenv": "^16.3.1",
     "cookie-parser": "^1.4.6",
-    "chokidar": "^3.5.3"
+    "chokidar": "^5.0.0"
   },
   "devDependencies": {
     "@types/express": "^4.17.21",