fix: package.json & yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-HTTPPROXYMIDDLEWARE-8229906
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-8482416
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-7925106
- https://snyk.io/vuln/SNYK-JS-BODYPARSER-7926860
- https://snyk.io/vuln/SNYK-JS-COOKIE-8163060
- https://snyk.io/vuln/SNYK-JS-EXPRESS-7926867
- https://snyk.io/vuln/SNYK-JS-SEND-7926862
- https://snyk.io/vuln/SNYK-JS-SERVESTATIC-7926865

Author: snyk-bot

package.json

@@ -220,7 +220,7 @@
     "webpack-build-notifier": "^2.3.0",
     "webpack-bundle-analyzer": "^4.9.1",
     "webpack-cli": "^5.1.4",
-    "webpack-dev-server": "^4.15.1",
+    "webpack-dev-server": "^5.2.0",
     "webpack-merge": "^5.9.0"
   },
   "resolutions": {