chore(deps): update dependency qunit to v2.20.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
qunit (source)	2.20.0 -> 2.20.1

---

Release Notes

qunitjs/qunit (qunit)

### [`v2.20.1`](https://togithub.com/qunitjs/qunit/blob/HEAD/History.md#2201--2024-02-15) [Compare Source](https://togithub.com/qunitjs/qunit/compare/2.20.0...2.20.1) \================== ##### Fixed - Core: Fix compatibility with `sinon.useFakeTimers` in IE 10 and IE 11. (Timmy Willison) [#​1738](https://togithub.com/qunitjs/qunit/pull/1738) - Core: Fix hanging `assert.async()` after `assert.timeout()`. (Timo Tijhof) [#​1705](https://togithub.com/qunitjs/qunit/issues/1705)

---

Configuration

📅 Schedule: Branch creation - "before 4am on Monday" (UTC), Automerge - "after 10pm every weekday,before 5am every weekday,every weekend" (UTC).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.