Update User Schema V1

Update an existing schema.

Allows modification of schema properties, node types, relationship types, and status.
User must have write access to the schema. Updates create a new version
while preserving the existing data.

**Status Management:**
- Set `status` to "active" to activate the schema and trigger Neo4j index creation
- Set `status` to "draft" to deactivate the schema
- Set `status` to "archived" to soft-delete the schema