CI flake: Keynote Bench

[clockwork-labs-bot]

Detected by CI Gremlin after a failed GitHub Actions attempt succeeded on rerun.

Tests:

• Keynote Bench

Error:
Error: keynote benchmark throughput for TypeScript module is below threshold
2026-06-17T02:17:39.0346494Z

Failed job runs:

• https://github.com/clockworklabs/SpacetimeDB/actions/runs/27652376984/job/81803795919 (Keynote Bench, attempt 2 -> 3)

Context:

• none

[bfops]

this was running a version of code that didn't include #5360