Avoid FD spike after retrying KafkaAdminClient #227

Job	Run time
📦 Build the source distribution	15s
Tests for Kafka 0.9.0.1 (Python 3.12)	3m 38s
Tests on 3.8	7m 49s
Tests for Kafka 0.10.2.2 (Python 3.12)	5m 1s
Tests on 3.9	6m 15s
Tests for Kafka 0.11.0.2 (Python 3.12)	6m 14s
📦 Publish to PyPI	0s
Tests on 3.10	6m 41s
Tests for Kafka 0.11.0.3 (Python 3.12)	6m 2s
Tests on 3.11	8m 1s
Tests for Kafka 1.1.1 (Python 3.12)	6m 45s
Tests on 3.12	7m 48s
Tests for Kafka 2.4.0 (Python 3.12)	7m 44s
Tests on pypy3.9	8m 3s
Tests for Kafka 2.5.0 (Python 3.12)	6m 23s
Tests for Kafka 2.6.0 (Python 3.12)	8m 17s
Tests for Kafka 0.8.2.2 (Python 3.12)	15m 16s
Tests for Kafka 0.8.2.2 (Python 3.10)	2m 56s
✅ Ensure the required checks passing	4s
	1h 53m 12s

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