fix: e2e/playwright/mock_oauth_server/package.json & e2e/playwright/mock_oauth_server/package-lock.json to reduce vulnerabilities (#862)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-8482416

Co-authored-by: snyk-bot <[email protected]>

Author: esarafianou

e2e/playwright/mock_oauth_server/package-lock.json

@@ -11,7 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "dotenv": "^16.0.3",
-    "express": "^4.21.1"
+    "express": "^4.21.2"
   },
   "devDependencies": {
     "@types/express": "^4.17.17",