Add the client-side subscriptions/listen driver #3387

Job	Run time
checks / docs	45s
checks / readme-snippets	11s
checks / pre-commit	51s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 27s
checks / test (3.11, locked, ubuntu-latest)	1m 27s
checks / test (3.12, locked, ubuntu-latest)	1m 42s
checks / test (3.11, locked, windows-latest)	2m 3s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 22s
checks / test (3.13, locked, windows-latest)	1m 54s
checks / test (3.11, lowest-direct, windows-latest)	2m 22s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 21s
checks / test (3.10, locked, windows-latest)	2m 4s
checks / test (3.13, locked, ubuntu-latest)	1m 12s
checks / test (3.12, locked, windows-latest)	1m 53s
checks / test (3.10, locked, ubuntu-latest)	1m 24s
checks / test (3.10, lowest-direct, windows-latest)	1m 52s
checks / test (3.14, locked, ubuntu-latest)	2m 21s
checks / test (3.14, locked, windows-latest)	3m 7s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 29s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 12s
checks / test (3.12, lowest-direct, windows-latest)	1m 53s
checks / test (3.14, lowest-direct, windows-latest)	1m 51s
checks / test (3.13, lowest-direct, windows-latest)	2m 0s
all-green	3s
	37m 46s

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