[2024-01-11] Update the google calendar

[benjie]

New meeting cadence, plus primary is first meeting every month.

• assignee(s): @benjie
• source: https://github.com/graphql/composite-schemas-wg/blob/15eb18843418713f0e495296349e53bd8a02b0e5/notes/2024/2024-01.md#setup-working-process-for-spec-work-20m-michaelstaib-and-martijnwalraven

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[benjie]

Calendar updated 👍
I wanted the primary to stand out so I scheduled 4 different events as "repeating on the Nth Thursday"; however Google doesn't give me an option for 5th Thursday, only "last" Thursday, so those will need to be scheduled by hand.