message: app: fix cost-insights dependency
diff: "@backstage/plugin-catalog-import": "^0.3.6",
  "@backstage/plugin-circleci": "^0.2.6",
  "@backstage/plugin-cloudbuild": "^0.2.7",
  - "@backstage/plugin-cost-insights": "^0.6.0",
  + "@backstage/plugin-cost-insights": "^0.7.0",
  "@backstage/plugin-explore": "^0.2.3",
  "@backstage/plugin-gcp-projects": "^0.2.3",
  "@backstage/plugin-github-actions": "^0.3.0",
  