Update mockito-core to 5.8.0 (#1617) #1972

Job	Run time
conformance	1m 36s
build (2_12, mima)	1m 14s
build (2_12, e2e)	12s
build (2_12, test)	10m 26s
build (2_13, mima)	1m 15s
build (2_13, e2e)	8s
build (2_13, test)	10m 12s
build (3, mima)	5s
build (3, e2e)	5s
build (3, test)	6m 11s
build (2_12, examples_and_formatting)	2m 34s
build (2_13, scala3_compat_test)	9m 12s
build (3, scala3_compat_test)	8m 38s
ci-passed	1s
	51m 49s

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