chore: release v8.0.3

[oxc-guard]

🤖 New release

• oxc_sourcemap: 8.0.2 -> 8.0.3 (✓ API compatible changes)

Changelog

8.0.3 - 2026-06-24

Other

• (deps) update napi to v3.9.4 (#379)
• return impl ExactSizeIterator from the slice-backed accessors (#377)

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This PR was generated with release-plz.

[codspeed-hq]

Merging this PR will degrade performance by 1.62%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 1 improved benchmark
❌ 2 regressed benchmarks
✅ 13 untouched benchmarks
⏩ 7 skipped benchmarks¹

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	serialize[real_medium]	5.1 µs	5.3 µs	-3.88%
❌	serialize[real_small]	4.4 µs	4.5 µs	-1.94%
⚡	build_single	5.8 µs	5.7 µs	+1.02%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing release-plz-2026-06-22T14-28-01Z (12e832a) with main (a3fca29)}

Footnotes

1. 7 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩