chore(deps): update dependency express to v5

Author: renovate[bot]

packages/frontend/libraries/eventsource/package.json

@@ -7,12 +7,12 @@
   "devDependencies": {
     "@jest/globals": "29.7.0",
     "@types/node": "22.14.0",
-    "@types/express": "4.17.21",
+    "@types/express": "5.0.1",
     "@typescript-eslint/eslint-plugin": "8.29.0",
     "@typescript-eslint/parser": "8.29.0",
     "eslint": "9.23.0",
     "@eslint/js": "9.23.0",
-    "express": "4.21.2",
+    "express": "5.1.0",
     "jest": "29.7.0",
     "prettier": "3.5.3",
     "rimraf": "6.0.1",