Avoid FD spike after retrying KafkaAdminClient #224

Job	Run time
📦 Build the source distribution	26s
Tests for Kafka 0.9.0.1 (Python 3.12)	3m 21s
Tests for Kafka 0.10.2.2 (Python 3.12)	4m 0s
Tests for Kafka 0.11.0.2 (Python 3.12)	5m 0s
Tests for Kafka 0.11.0.3 (Python 3.12)	5m 11s
Tests on 3.8	6m 16s
📦 Publish to PyPI	0s
Tests on 3.9	6m 54s
Tests for Kafka 1.1.1 (Python 3.12)	5m 54s
Tests for Kafka 2.4.0 (Python 3.12)	6m 42s
Tests on 3.10	7m 1s
Tests for Kafka 2.5.0 (Python 3.12)	6m 16s
Tests on 3.11	6m 18s
Tests for Kafka 2.6.0 (Python 3.12)	7m 33s
Tests for Kafka 0.8.2.2 (Python 3.12)	15m 14s
Tests for Kafka 0.8.2.2 (Python 3.10)	2m 31s
Tests on 3.12	6m 49s
Tests on pypy3.9	7m 32s
✅ Ensure the required checks passing	2s
	1h 43m 0s

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