Add the client-side subscriptions/listen driver #3390

Job	Run time
checks / pre-commit	48s
checks / docs	46s
checks / readme-snippets	15s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 16s
checks / test (3.10, locked, ubuntu-latest)	1m 30s
checks / test (3.11, locked, ubuntu-latest)	1m 21s
checks / test (3.13, lowest-direct, windows-latest)	1m 57s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 30s
checks / test (3.10, locked, windows-latest)	2m 8s
checks / test (3.11, lowest-direct, windows-latest)	1m 57s
checks / test (3.14, lowest-direct, windows-latest)	1m 35s
checks / test (3.11, locked, windows-latest)	1m 57s
checks / test (3.10, lowest-direct, windows-latest)	2m 5s
checks / test (3.12, locked, windows-latest)	2m 5s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 23s
checks / test (3.13, locked, ubuntu-latest)	1m 16s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.13, locked, windows-latest)	2m 13s
checks / test (3.12, locked, ubuntu-latest)	1m 34s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 22s
checks / test (3.14, locked, ubuntu-latest)	2m 20s
checks / test (3.14, locked, windows-latest)	2m 45s
checks / test (3.12, lowest-direct, windows-latest)	2m 6s
all-green	5s
	37m 34s

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