chore(deps): update dependency bull to v4.15.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
bull	4.15.0 -> 4.15.1

---

Release Notes

OptimalBits/bull (bull)

### [`v4.15.1`](https://togithub.com/OptimalBits/bull/blob/HEAD/CHANGELOG.md#4151-2024-07-04) [Compare Source](https://togithub.com/OptimalBits/bull/compare/v4.15.0...v4.15.1) ##### Bug Fixes - **job:** check jobKey when saving stacktrace ([#​2755](https://togithub.com/OptimalBits/bull/issues/2755)) ([96675f5](https://togithub.com/OptimalBits/bull/commit/96675f51d1a9e5a30df0a0fe24a40a2d14078203))

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 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.