deps: update dependency diagram-js to v14

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
diagram-js	^13.4.0 -> ^14.0.0

---

Release Notes

bpmn-io/diagram-js (diagram-js)

### [`v14.0.0`](https://togithub.com/bpmn-io/diagram-js/blob/HEAD/CHANGELOG.md#1400) [Compare Source](https://togithub.com/bpmn-io/diagram-js/compare/v13.4.0...v14.0.0) - `FEAT`: add to selection through SHIFT ([#​851](https://togithub.com/bpmn-io/diagram-js/pull/851))

---

Configuration

📅 Schedule: Branch creation - "after 10pm,before 5:00am" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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.