message: Move develop dependencies into the `devDependencies` field
diff: "author": "GitHub, Inc.",
  "license": "MIT",
  "dependencies": {
  - "@babel/helpers": "7.9.2",
  "@babel/runtime": "7.9.2",
  "@primer/octicons-react": "^10.0.0",
  "@primer/primitives": "3.0.0",
  "@styled-system/prop-types": "5.1.2",
  "@styled-system/props": "5.1.4",
  "@styled-system/theme-get": "5.1.2",
  - "@testing-library/react": "9.4.0",
  - "@types/styled-components": "^4.4.0",
  - "@types/styled-system": "5.1.2",
  - "babel-plugin-macros": "2.8.0",
  "classnames": "^2.2.5",
  "details-element-polyfill": "2.4.0",
  - "jest-axe": "3.2.0",
  "polished": "3.5.2",
  "react": "^16.10.2",
  "react-is": "16.10.2",
  "styled-system": "5.1.2"
  },
  "devDependencies": {
  + "@babel/helpers": "7.9.2",
  + "babel-plugin-macros": "2.8.0",
  + "@testing-library/react": "9.4.0",
  + "@types/styled-components": "^4.4.0",
  + "@types/styled-system": "5.1.2",
  "@babel/cli": "7.8.4",
  "@babel/core": "7.9.0",
  "@babel/plugin-proposal-object-rest-spread": "7.9.5",
  "rollup-plugin-terser": "5.3.0",
  "rollup-plugin-visualizer": "4.0.4",
  "semver": "7.3.2",
  - "styled-components": "4.4.0"
  + "styled-components": "4.4.0",
  + "jest-axe": "3.2.0"
  },
  "peerDependencies": {
  "react": "^16.8.0",
  