Windows performance experiments

Workflow runs for Windows performance experiments

• Exercise the PowerShell fallback explicitly in native query benchmark

  completed successfully:
  Windows performance experiments#4:Commit8a3e238pushedbysds
  perf/windows-experiments-c

  Nov 5, 20265m 0s
  More actions for workflow run 4

• Benchmark timing balance, optional native query, and remaining worker…

  cancelled:
  Windows performance experiments#3:Commit20e8a15pushedbysds
  perf/windows-experiments-c

  Nov 5, 20261m 53s
  More actions for workflow run 3

• Benchmark reusable Git fixtures, Windows images, and native process q…

  completed successfully:
  Windows performance experiments#2:Commitea5fd9dpushedbysds
  perf/windows-experiments-b

  Nov 5, 20263m 4s
  More actions for workflow run 2

• Measure paired Windows test optimizations without changing main

  completed successfully:
  Windows performance experiments#1:Commit5992286pushedbysds
  perf/windows-experiments

  Nov 5, 20265m 51s
  More actions for workflow run 1