message: codemods: fix pre/postpack
diff: "build": "backstage-cli package build",
  "lint": "backstage-cli package lint",
  "test": "backstage-cli package test",
  - "prepack": "backstage-cli prepack",
  - "postpack": "backstage-cli postpack",
  + "prepack": "backstage-cli package prepack",
  + "postpack": "backstage-cli package postpack",
  "clean": "backstage-cli package clean"
  },
  "bin": {
  