chore: bump backend dependencies

Author: edalholt

backend/package-lock.json

@@ -43,15 +43,15 @@
   },
   "dependencies": {
     "axios": "^1.7.9",
-    "cookie-parser": "^1.4.6",
+    "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",
-    "dotenv": "^16.0.3",
-    "express": "^4.18.2",
-    "jsonwebtoken": "^9.0.0",
+    "dotenv": "^16.4.7",
+    "express": "^4.21.2",
+    "jsonwebtoken": "^9.0.2",
     "mongoose": "^8.9.2",
     "ntnui-tools": "github:NTNUI/ntnui-tools",
     "swagger-jsdoc": "^6.2.8",
     "swagger-ui-express": "^5.0.1",
-    "ws": "^8.13.0"
+    "ws": "^8.18.0"
   }
 }