chore: update dependency diagram-js to v14

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
diagram-js	^13.0.0 -> ^14.0.0

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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))

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