Increase consumer group test timeout #209

Job	Run time
📦 Build the source distribution	17s
Tests on 3.8	7m 36s
Tests on 3.9	12m 33s
Tests on 3.10	12m 54s
Tests for Kafka 0.9.0.1 (Python 3.12)	8m 54s
📦 Publish to PyPI	0s
Tests on 3.11	6m 18s
Tests for Kafka 0.10.2.2 (Python 3.12)	4m 3s
Tests on 3.12	8m 13s
Tests for Kafka 0.11.0.2 (Python 3.12)	10m 58s
Tests on pypy3.9	7m 25s
Tests for Kafka 0.11.0.3 (Python 3.12)	6m 12s
Tests for Kafka 1.1.1 (Python 3.12)	6m 5s
Tests for Kafka 2.4.0 (Python 3.12)	12m 57s
Tests for Kafka 2.5.0 (Python 3.12)	12m 40s
Tests for Kafka 2.6.0 (Python 3.12)	12m 35s
Tests for Kafka 0.8.2.2 (Python 3.12)	15m 15s
Tests for Kafka 0.8.2.2 (Python 3.10)	2m 35s
✅ Ensure the required checks passing	2s
	2h 27m 32s

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