CI flake: Build smoketests (Windows)

[clockwork-labs-bot]

Detected by CI Gremlin after a failed merge-queue run succeeded in a later merge-queue run without a new PR head commit.

Tests:

• Build smoketests (Windows)

Error:
fatal: couldn't find remote ref refs/heads/gh-readonly-queue/master/pr-5739-12812dcf5ae850f17157807095ba58dc710bf960
The process 'C:\Program Files\Git\cmd\git.exe' failed with exit code 128

Failed job runs:

• https://github.com/clockworklabs/SpacetimeDB/actions/runs/31755508637/job/94631950160 (Build smoketests (Windows), attempt merge queue run 31755508637 -> merge queue run 31759783120)

Timeout detection:

• none

Context:

• Merge queue PR: Package ci-smoketests binary in smoketests build #5739
• PR head SHA: 12812dc
• Later successful run: https://github.com/clockworklabs/SpacetimeDB/actions/runs/31759783120