chore(deps): update dependency lerna to v9

package.json

@@ -33,7 +33,7 @@
     "@backstage/cli": "^0.30.0",
     "@spotify/prettier-config": "^15.0.0",
     "concurrently": "^9.0.0",
-    "lerna": "^8.0.0",
+    "lerna": "^9.0.0",
     "prettier": "^3.0.0",
     "typescript": "~5.8.0"
   },

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"