Changes to Create groups

removed the required property data/items/anyOf[subschema #1: BatchSucceededItem[GroupResource]]/result/attributes/updated_at from the response with the 200 status

removed the required property data/items/anyOf[subschema #1: BatchSucceededItem[GroupResource]]/result/attributes/updated_at from the response with the 207 status

added the new already_in_path enum value to the data/items/anyOf[subschema #2: BatchFailedItem]/error/code response property for the response status 200

added the new already_in_path enum value to the data/items/anyOf[subschema #2: BatchFailedItem]/error/code response property for the response status 207

added the non-success response with the status 406

added the non-success response with the status 413

added the non-success response with the status 415

added the required property data/items/anyOf[subschema #1: BatchSucceededItem[GroupResource]]/result/attributes/modified_at to the response with the 200 status

added the required property data/items/anyOf[subschema #1: BatchSucceededItem[GroupResource]]/result/attributes/modified_at to the response with the 207 status

media type application/json was changed to a more specific media type application/vnd.api+json for the response status 200

media type application/json was changed to a more specific media type application/vnd.api+json for the response status 207

media type application/json was changed to a more specific media type application/vnd.api+json for the response status 400

media type application/json was changed to a more specific media type application/vnd.api+json for the response status 401

media type application/json was changed to a more specific media type application/vnd.api+json for the response status 403

media type application/json was changed to a more specific media type application/vnd.api+json for the response status 422