perf: accelerate variable scope lookup

[kermanx]

[pkg-pr-new[bot]]

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@kermanx/tree-shaker

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@kermanx/tree-shaker-darwin-arm64

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@kermanx/tree-shaker-linux-x64-gnu

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@kermanx/tree-shaker-win32-x64-msvc

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@kermanx/tree-shaker-darwin-x64

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commit: bdbb052

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #49 will not alter performance

_{Comparing perf/variable-scope-lookup (bdbb052) with main (8c0e864)}

Summary

✅ 3 untouched benchmarks

[kermanx]

No improvement