message: build: add `exports` field to `package.json`
  BREAKING CHANGE
  See
diff: "version": "27.0.0-next.9",
  "main": "dist/index.js",
  "types": "dist/index.d.ts",
  + "exports": {
  + ".": "./dist/index.js",
  + "./dist/*": "./dist/*.js",
  + "./presets": "./jest-preset.js",
  + "./utils": "./utils/index.js",
  + "./package.json": "./package.json"
  + },
  "bin": {
  "ts-jest": "cli.js"
  },
  