Add the client-side subscriptions/listen driver #3349

Job	Run time
checks / docs	48s
checks / readme-snippets	11s
checks / pre-commit	51s
checks / test (3.10, locked, ubuntu-latest)	1m 11s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 29s
checks / test (3.10, locked, windows-latest)	2m 3s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 34s
checks / test (3.10, lowest-direct, windows-latest)	2m 5s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 26s
checks / test (3.11, lowest-direct, windows-latest)	2m 15s
checks / test (3.14, locked, windows-latest)	2m 50s
checks / test (3.13, locked, windows-latest)	1m 35s
checks / test (3.11, locked, windows-latest)	1m 58s
checks / test (3.12, locked, ubuntu-latest)	1m 36s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 32s
checks / test (3.12, locked, windows-latest)	2m 2s
checks / test (3.14, lowest-direct, windows-latest)	1m 52s
checks / test (3.11, locked, ubuntu-latest)	1m 23s
checks / test (3.13, locked, ubuntu-latest)	1m 15s
checks / test (3.14, locked, ubuntu-latest)	2m 16s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 15s
checks / test (3.13, lowest-direct, windows-latest)	1m 59s
checks / test (3.12, lowest-direct, windows-latest)	2m 12s
all-green	5s
	37m 43s

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