Add the client-side subscriptions/listen driver #3398

Job	Run time
checks / readme-snippets	13s
checks / docs	36s
checks / test (3.12, lowest-direct, windows-latest)	1m 59s
checks / test (3.10, locked, ubuntu-latest)	1m 25s
checks / test (3.10, lowest-direct, windows-latest)	2m 0s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 28s
checks / test (3.11, locked, ubuntu-latest)	1m 26s
checks / test (3.13, lowest-direct, windows-latest)	2m 19s
checks / pre-commit	57s
checks / test (3.13, locked, ubuntu-latest)	1m 14s
checks / test (3.12, locked, windows-latest)	1m 54s
checks / test (3.10, locked, windows-latest)	1m 56s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.13, locked, windows-latest)	1m 59s
checks / test (3.11, locked, windows-latest)	1m 56s
checks / test (3.11, lowest-direct, windows-latest)	1m 55s
checks / test (3.14, lowest-direct, windows-latest)	1m 53s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 34s
checks / test (3.12, locked, ubuntu-latest)	1m 36s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 13s
checks / test (3.14, locked, ubuntu-latest)	2m 20s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 23s
checks / test (3.14, locked, windows-latest)	2m 44s
all-green	4s
	37m 24s

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