chore: deflake postgres and sqlite integration joins test

[r1tsuu]

relationTo was specified incorrectly which led to

  ● Joins Field › rEST API should not populate individual join by providing schemaPath=false

    error: insert or update on table "collection_restricted" violates foreign key constraint "collection_restricted_category_id_restricted_categories_id_fk"

      18 |       .returning()
      19 |   } else {
    > 20 |     result = await (db as TransactionPg).insert(table).values(values).returning()

[github-actions]

🚀 This is included in version v3.7.0