Update flate2 crate to 1.1.9

[DoctorJohn]

No description provided.

[codspeed-hq]

Merging this PR will not alter performance

✅ 21 untouched benchmarks

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_{Comparing update-flate2-crate-to-1.1.9 (3d83a6c) with main (8d1d0f4)}