perf: reduce memory allocation while normalizing package path

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.93%. Comparing base (d5b88b3) to head (92d1626). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #318 +/- ## ========================================== - Coverage 97.06% 96.93% -0.13% ========================================== Files 11 11 Lines 2450 2448 -2 ========================================== - Hits 2378 2373 -5 - Misses 72 75 +3 ```

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• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #318 will not alter performance

_{Comparing perf-package-json (92d1626) with main (d5b88b3)}

Summary

✅ 3 untouched benchmarks

[Boshen]