deps: update to @bpmn-io/[email protected]

[nikku]

Proposed Changes

This ensures that the FEEL editor recognizes get or else as a language extension.

Unfortunately this is not a complete fix for #3983, as our external syntax validation is not aware of these exensions:

Checklist

To ensure you provided everything we need to look at your PR:

• Brief textual description of the changes present
• Visual demo attached
• Steps to try out present, i.e. using the @bpmn-io/sr tool
• Related issue linked via Closes {LINK_TO_ISSUE} or Related to {LINK_TO_ISSUE}

[nikku]

Superceeded by #4392.