setup-poetry "cache hit" tests intermittently fail

[bkeryan]

Bug Report

Sometimes the setup-poetry "cache hit" tests fail with "Error: Expected cache hit."

Repro or Code Sample

https://github.com/ni/python-actions/actions/runs/20114557752/job/57720758535

Expected Behavior

It passes.

Current Behavior

It sometimes fails.

Context

PR build

Your Environment

• ni/python-actions version: main
• Python version: varies

AB#3610920