fix: upgrade jsonwebtoken from 9.0.0 to 9.0.2

Snyk has created this PR to upgrade jsonwebtoken from 9.0.0 to 9.0.2.

See this package in npm:
jsonwebtoken

See this project in Snyk:
https://app.snyk.io/org/zntb/project/2c972f2d-ffbb-4d35-87a2-666e99ca0acc?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

backend/package-lock.json

@@ -13,7 +13,7 @@
     "bcryptjs": "^2.4.3",
     "body-parser": "^1.20.0",
     "express": "^4.19.2",
-    "jsonwebtoken": "^9.0.0",
+    "jsonwebtoken": "^9.0.2",
     "uuid": "^9.0.0"
   }
 }