Always cache miss even the debug message show it is cached

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Describe the bug

Debug logs - https://github.com/korandoru/setup-zig/actions/runs/4869953462/jobs/8685391245

Related code:

  const toolPath = cache.find('zig', versionSpec, targetPlatform)
  if (toolPath) {
    core.info(`Cache hit ${toolPath}`)
    core.addPath(toolPath)
    return
  }

// ...

  const cachedToolPath = await cache.cacheDir(extractedPath, 'zig', versionSpec, targetPlatform)
  core.info(`Cache new ${cachedToolPath}`)
  core.addPath(cachedToolPath)

But after rerun the workflow it always report cache miss.

To Reproduce

See the debug logs above.

Expected behavior

Should properly hit cache.

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

Start with the cache.find and cache.cacheDir calls shown in the issue and inspect the linked debug logs for the cache key, version, and target platform values. Re-run the referenced workflow after tracing those inputs; done means a second run reports a cache hit and reuses the cached Zig tool path.