Update JSON schema from openlibrary-client

[hornc]

incorporates from openlibrary-client:

• Add / to fix ref path openlibrary-client#431
• Remove deprecated and unused field id on Work openlibrary-client#436

• 'id' on Works has no documented use and is confusing. Removing it from the schema documentation.
  and Invalid refs in json schema openlibrary-client#432

Technical

Testing

Screenshot

Stakeholders

[Copilot]

Pull request overview

Updates Open Library’s JSON schema documentation to match recent changes in openlibrary-client, correcting local $ref JSON Pointer syntax and removing a confusing/unused id field from the Work schema.

Changes:

• Fix $ref fragments to use valid JSON Pointer syntax (#/...) in schema files.
• Remove the undocumented id property from work.schema.json.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
openlibrary/schemata/work.schema.json	Fixes $ref to author_role and removes the confusing id property from the Work schema.
openlibrary/schemata/shared_definitions.json	Fixes local $ref to author_key to use valid JSON Pointer syntax.