chore(deps-dev): bump @types/readable-stream from 2.3.15 to 4.0.0

Bumps [@types/readable-stream](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/readable-stream) from 2.3.15 to 4.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/readable-stream)

---
updated-dependencies:
- dependency-name: "@types/readable-stream"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -33,7 +33,7 @@
  "readable-stream": "^4.2.0"
  },
  "devDependencies": {
- "@types/readable-stream": "^2.3.13",
+ "@types/readable-stream": "^4.0.0",
  "faucet": "~0.0.1",
  "standard": "^17.0.0",
  "tape": "^5.2.2",