fix: address code review feedback for AdaBoost implementation #12

Job	Run time
check-nightly-windows-latest	2m 28s
check-stable-ubuntu-latest	1m 11s
check-stable-windows-latest	2m 16s
check-1.87.0-ubuntu-latest	1m 0s
check-nightly-ubuntu-latest	1m 7s
check-1.87.0-windows-latest	2m 18s
	10m 20s

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