fix: Properly raise on mean_horizontal with wrong dtypes (#19472) #12342

Job	Run time
check-features	8m 39s
check-wasm	5m 50s
integration-test (ubuntu-latest)	1m 46s
test (ubuntu-latest)	3m 34s
integration-test (windows-latest)	6m 23s
test (windows-latest)	9m 6s
	35m 18s

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