chore(main): release 4.0.0

[xhrbot]

:robot: I have created a release beep boop

4.0.0 (2023-02-14)

⚠ BREAKING CHANGES

• replace to native EventTarget (#518)

Features

• xhr: supports xhr.timeout (#528) (b765605)

Code Refactoring

• replace to native EventTarget (#518) (b3fe7e7)

---

This PR was generated with Release Please. See documentation.