Update community events from external spreadsheet - December 15

[github-actions]

This PR was automatically created to update community events from external community spreadsheet.
This workflows runs every Sunday at 00:00 (UTC).
Source: https://docs.google.com/spreadsheets/d/1NEu_FCc1hnGAuRgPmbXXpf0h2lCrCOlMKbbFEqgkVDQ

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