Adding the round_and_hash_float_array also to v3 #1296

Job	Run time
py3.13 \| ubuntu \| integration tests	19m 3s
py3.13 \| macos \| integration tests	24m 6s
py3.10 \| ubuntu \| integration tests	18m 30s
py3.13 \| windows \| integration tests	30m 48s
py3.11 \| ubuntu \| unit tests	14m 9s
py3.13 \| macos \| unit tests	11m 8s
py3.13 \| windows \| unit tests	19m 16s
py3.10 \| ubuntu \| unit tests	14m 10s
mypy	4m 48s
py3.12 \| ubuntu \| unit tests	14m 45s
py3.13 \| ubuntu \| unit tests	13m 47s
merge-test-artifacts	4s
	3h 4m 34s

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