Add root operation types item to June agenda (#968)

Discussion in graphql/graphql-js#3592

Co-authored-by: Benjie Gillam <[email protected]>

agendas/2022/2022-06-02.md

@@ -95,6 +95,7 @@ This is an open meeting in which anyone in the GraphQL community may attend.
 | :----------------- | :-------------- | :----------------- | :-----------------
 | Lee Byron          | @leebyron       | GraphQL Foundation | San Francisco, CA, US
 | Adron Hall         | @adron          | Amazon             | Seattle, WA, US
+| Ben Kraft          | @benjaminjkraft | none               | San Francisco, CA, US
 | Michael Staib      | @michaelstaib   | ChilliCream        | Zurich, CH
 | Martin Bonnin      | @martinbonnin   | Apollo.            | Paris, FR
 | Alex Reilly        | @twof           | Yelp               | San Francisco, CA, US
@@ -119,6 +120,7 @@ This is an open meeting in which anyone in the GraphQL community may attend.
 1. [Proposal: Composite Schemas Working Group](https://github.com/graphql/graphql-wg/pull/977) (10m, Benjie)
    - Aim: gather feedback and interested parties; determine if the WG is warranted
 1. [add `@experimental` directive](https://github.com/graphql/graphql-spec/issues/943) (20m, Martin)
+1. [clarify root operation types](https://github.com/graphql/graphql-js/issues/3592) (5m, Ben)
 1. CCN status update (10m, Alex Reilly)
    - Should I target the GraphQL-JS 17 instead of 16?
    - Quick naming vote maybe