[2021-05-13] Raise a GraphQL.js PR for preventing @skip/@include on subscriptions

[benjie]

Potential validation oversight - @skip/@include; see related RFC: graphql/graphql-spec/pull/860
ACTION - Benjie - raise a separate PR for this against GraphQL.js

• assignee(s): @benjie
• source: https://github.com/graphql/graphql-wg/blob/main/notes/2021-05-13.md#advancing-__typename-not-valid-at-subscription-root-rfc-15m-benjie

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Note: Action Item issues are reviewed and closed during Working Group
meetings.

[benjie]

From https://github.com/graphql/graphql-wg/blob/main/notes/2021-09-02.md#review-previous-meetings-action-items-5m-lee

Ivan: I can do this Benjie, ping me
[ACTION - Benjie] Ping Ivan about this

@IvanGoncharov PING! 😁

[benjie]

@IvanGoncharov Did you get a chance to look at this?

[benjie]

I've raised a PR with a basic implementation: graphql/graphql-js#3974