fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-QS-14724253

Author: snyk-bot

package.json

@@ -35,7 +35,7 @@
     "css-loader": "^5.2.4",
     "csurf": "^1.11.0",
     "dotenv": "^8.2.0",
-    "express": "^4.17.1",
+    "express": "^4.22.0",
     "express-rate-limit": "^5.2.6",
     "flat": "^5.0.2",
     "github-slugger": "^1.2.1",