fix: suppress GeneratorExit during client cleanup #1118

Job	Run time
checks / readme-snippets	11s
checks / pre-commit	41s
checks / test (3.10, lowest-direct, windows-latest)	2m 28s
checks / test (3.11, lowest-direct, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 0s
checks / test (3.12, locked, windows-latest)	3m 42s
checks / test (3.10, locked, windows-latest)	2m 21s
checks / test (3.10, lowest-direct, ubuntu-latest)	55s
checks / test (3.11, lowest-direct, windows-latest)	2m 42s
checks / test (3.12, lowest-direct, windows-latest)	3m 43s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 22s
checks / test (3.11, locked, windows-latest)	2m 25s
checks / test (3.11, locked, ubuntu-latest)	51s
checks / test (3.10, locked, ubuntu-latest)	53s
checks / test (3.13, locked, ubuntu-latest)	47s
checks / test (3.13, locked, windows-latest)	2m 23s
checks / test (3.12, locked, ubuntu-latest)	55s
checks / test (3.13, lowest-direct, windows-latest)	2m 40s
checks / test (3.14, lowest-direct, windows-latest)	2m 26s
checks / test (3.14, locked, windows-latest)	3m 2s
checks / test (3.14, locked, ubuntu-latest)	2m 16s
checks / test (3.13, lowest-direct, ubuntu-latest)	54s
all-green	5s
	39m 31s

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