chore(deps): update dependency @types/jest to v30

packages/app/package.json

@@ -47,7 +47,7 @@
     "@testing-library/jest-dom": "^6.0.0",
     "@testing-library/react": "^16.0.0",
     "@testing-library/user-event": "^14.0.0",
-    "@types/jest": "^29.0.0",
+    "@types/jest": "^30.0.0",
     "@types/node": "^22.0.0",
     "@types/react-dom": "*",
     "cross-env": "^7.0.0",

packages/backend/package.json

@@ -35,7 +35,7 @@
     "@backstage/plugin-techdocs-backend": "^1.1.2",
     "app": "link:../app",
     "dockerode": "^4.0.0",
-    "express": "^5.0.0",
+    "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
     "pg": "^8.3.0",
     "winston": "^3.2.1"