fix: fastlanes rle decode validity

[0ax1]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.90%. Comparing base (2900160) to head (d22ef10).
⚠️ Report is 3 commits behind head on develop.

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[codspeed-hq]

CodSpeed Performance Report

Merging #4675 will improve performances by 15.91%

_{Comparing ad/fix-rle-decode-validity (d22ef10) with develop (2900160)}

Summary

⚡ 6 improvements
✅ 1435 untouched

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	decompress[u16, (1000, 16)]	17.5 µs	15.5 µs	+12.84%
⚡	decompress[u16, (1000, 4)]	18.1 µs	16.2 µs	+11.45%
⚡	decompress[u32, (1000, 16)]	19.1 µs	17.1 µs	+11.55%
⚡	decompress[u32, (1000, 4)]	19.7 µs	17.6 µs	+11.99%
⚡	decompress[u8, (1000, 16)]	15.4 µs	13.2 µs	+15.91%
⚡	decompress[u8, (1000, 4)]	17.9 µs	15.7 µs	+13.74%