[2023-06] @deprecated on OBJECT - add validations to GraphQL.js

[benjie]

Added validations in graphql-js

• assignee(s): not clear; assuming @fotoetienne
• source: https://github.com/graphql/graphql-wg/blob/main/notes/2023/2023-06.md#deprecated-on-object---next-steps-15m-stephen

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