chore(ci): bump ubi9/ubi-minimal from `daa61d6` to `b870979` #570

Job	Run time
Test with Kafka 2.6.3 / Test with Kafka 2.6.3	7m 8s
Test with Kafka 3.6.2 / Test with Kafka 3.6.2	7m 8s
Test with Kafka 1.0.2 / Test with Kafka 1.0.2	5m 59s
Test with Kafka 3.8.1 / Test with Kafka 3.8.1	6m 55s
Test with Kafka 4.0.0 / Test with Kafka 4.0.0	11m 28s
	38m 38s

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