message: config-loader: move to dependencies.
diff: "dependencies": {
  "@backstage/cli-common": "^0.1.1",
  "@backstage/config": "^0.1.1",
  + "@types/json-schema": "^7.0.6",
  "ajv": "^7.0.3",
  "fs-extra": "^9.0.0",
  "json-schema": "^0.2.5",
  },
  "devDependencies": {
  "@types/jest": "^26.0.7",
  - "@types/json-schema": "^7.0.6",
  "@types/json-schema-merge-allof": "^0.6.0",
  "@types/mock-fs": "^4.10.0",
  "@types/node": "^12.0.0",
  