fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-COOKIE-8163060

package.json

@@ -44,18 +44,18 @@
     "body-parser": "^1.18.2",
     "chalk": "^2.4.2",
     "connect-ensure-login": "^0.1.1",
-    "cookie-parser": "^1.4.3",
+    "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",
     "cron": "^1.7.2",
     "debug": "~2.6.9",
     "dotenv": "^6.0.0",
     "error-handler": "^1.0.0",
-    "express": "^4.16.3",
+    "express": "^4.21.1",
     "express-brute": "^1.0.1",
     "express-brute-sequelize": "0.0.8",
     "express-http-proxy": "^1.6.2",
     "express-rate-limit": "^5.0.0",
-    "express-session": "^1.17.0",
+    "express-session": "^1.18.1",
     "express-slow-down": "^1.0.1",
     "helmet": "^3.23.3",
     "http-errors": "~1.6.2",