message: Fix packaging errors
diff: "devDependencies": {
  "@backstage/cli": "^0.1.1-alpha.16",
  "@backstage/dev-utils": "^0.1.1-alpha.16",
  - "@testing-library/jest-dom": "^5.7.0",
  - "@testing-library/react": "^9.3.2",
  - "@testing-library/user-event": "^10.2.4",
  - "@types/jest": "^25.2.2",
  + "@testing-library/jest-dom": "^5.10.1",
  + "@testing-library/react": "^10.4.1",
  + "@testing-library/user-event": "^12.0.7",
  + "@types/jest": "^26.0.7",
  "@types/node": "^12.0.0",
  "@types/testing-library__jest-dom": "^5.0.4",
  "jest-fetch-mock": "^3.0.3"
  },
  "files": [
  - "dist/**/*.{js,d.ts}"
  + "dist"
  ]
  }
  