message: app-defaults: update internal deps
diff: "clean": "backstage-cli clean"
  },
  "dependencies": {
  - "@backstage/core-components": "^0.7.2",
  - "@backstage/core-app-api": "^0.1.19",
  - "@backstage/core-plugin-api": "^0.1.12",
  - "@backstage/theme": "^0.2.12",
  + "@backstage/core-components": "^0.7.3",
  + "@backstage/core-app-api": "^0.1.20",
  + "@backstage/core-plugin-api": "^0.1.13",
  + "@backstage/theme": "^0.2.13",
  "@material-ui/core": "^4.12.2",
  "@material-ui/icons": "^4.9.1",
  "react": "^16.12.0",
  "react-router-dom": "6.0.0-beta.0"
  },
  "devDependencies": {
  - "@backstage/cli": "^0.8.1",
  - "@backstage/test-utils": "^0.1.20",
  + "@backstage/cli": "^0.8.2",
  + "@backstage/test-utils": "^0.1.21",
  "@testing-library/jest-dom": "^5.10.1",
  "@testing-library/react": "^11.2.5",
  "@types/jest": "^26.0.7",
  