chore(deps): update dependency @types/express to v5

Author: renovate[bot]

packages/frontend/libraries/eventsource/package.json

@@ -7,7 +7,7 @@
   "devDependencies": {
     "@jest/globals": "29.7.0",
     "@types/node": "22.13.10",
-    "@types/express": "4.17.21",
+    "@types/express": "5.0.0",
     "@typescript-eslint/eslint-plugin": "8.26.0",
     "@typescript-eslint/parser": "8.26.0",
     "eslint": "9.22.0",