fix[compat]: Update the action to use the correct check command

[joseph-isaacs]

This adds a check to CI that ensures that files generated by the last release are still readable in this PR.

[codspeed-hq]

Merging this PR will degrade performance by 10.76%

❌ 1 regressed benchmark
✅ 1008 untouched benchmarks
⏩ 1515 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	take_map[(0.1, 1.0)]	3.5 ms	3.9 ms	-10.76%

---

_{Comparing ji/fixup-compat-test (bffa572) with develop (61bc044)}

Footnotes

1. 1515 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩