Workflow "Test build against Timely master" failed

[github-actions]

The workflow "Test build against Timely master" failed. See logs:
https://github.com/TimelyDataflow/differential-dataflow/actions/runs/17721617402

Commit: https://github.com/TimelyDataflow/differential-dataflow/commit/

// cc: @frankmcsherry, @antiguru — please triage and resolve this issue