message: fix: add missing dependencies to prevent build from failing
diff: "@gitbeaker/browser": "34.2.0",
  "@gitbeaker/core": "^35.4.0",
  "luxon": "^2.0.2",
  - "p-limit": "^4.0.0"
  + "p-limit": "^4.0.0",
  + "@backstage/core-plugin-api": "^0.8.0",
  + "@backstage/catalog-model": "^0.13.0"
  },
  "devDependencies": {
  "@backstage/cli": "^0.15.2"
  