Upgrade xxHash from v0.8.2 to v0.8.3

[ifduyue]

No description provided.

[gemini-code-assist]

Code Review

This pull request updates the deps/xxhash subproject to a newer commit. There are no review comments, and I have no feedback to provide.

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[codspeed-hq]

Merging this PR will not alter performance

✅ 148 untouched benchmarks
⏩ 66 skipped benchmarks¹

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_{Comparing bump-xxHash-version (4931ca1) with master (fe8e7dd)}

Footnotes

1. 66 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. ↩