fix: RootsPlugin debug_assert on windows

[ahabhgk]

fix the debug_assert panic https://github.com/oxc-project/oxc-resolver/actions/runs/8812076020/job/24187103817#step:5:242

[Boshen]

Do we have a failing test case?

[ahabhgk]

Yes, in the previous PR (https://github.com/oxc-project/oxc-resolver/actions/runs/8812076020/job/24187103817#step:5:242) the debug_assert panic on windows, don't know why it passes in CI

[Boshen]

Yes, in the previous PR (https://github.com/oxc-project/oxc-resolver/actions/runs/8812076020/job/24187103817#step:5:242) the debug_assert panic on windows, don't know why it passes in CI

Let me fix the CI

[codspeed-hq]

CodSpeed Performance Report

Merging #145 will not alter performance

_{Comparing ahabhgk:fix-roots-win (3fab356) with main (3f082a5)}

Summary

✅ 2 untouched benchmarks

[Boshen]

Thank you!