Release v2.9.1 #865

Job	Run time
CI Gate	3s
Pure Python Fallback	1h 0m 52s
Rust Unit Tests (macos-latest)	1m 32s
Rust Unit Tests (ubuntu-latest)	1m 10s
Rust Unit Tests (ubuntu-24.04-arm)	1m 21s
Rust Unit Tests (windows-latest)	2m 22s
Python Tests (windows-latest, py3.11)	36m 15s
Python Tests (ubuntu-24.04-arm, py3.13)	18m 50s
Python Tests (ubuntu-latest, py3.11)	39m 50s
Python Tests (macos-latest, py3.11)	18m 20s
Python Tests (macos-latest, py3.13)	20m 27s
Python Tests (windows-latest, py3.13)	37m 20s
Python Tests (ubuntu-latest, py3.13)	39m 37s
Python Tests (ubuntu-24.04-arm, py3.11)	18m 34s
	4h 56m 33s

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