fix: deprecated websockets API usage and remove upper bound for that dep #1247

Job	Run time
Validate (3.10)	23s
Build test (3.10)	23s
Unit tests (3.8)	27s
Unit tests (3.9)	25s
Unit tests (3.10)	23s
Unit tests (3.11)	21s
Unit tests (3.12)	24s
Unit tests (3.13)	32s
Integration (3.10, 3.1/stable)	1h 16m 5s
Integration (3.10, 3.3/stable)	1h 24m 35s
Quarantined Integration Tests (3.10, 3.1/stable)	1h 21m 22s
Integration (3.10, 3.4/stable)	2h 2m 47s
Quarantined Integration Tests (3.10, 3.3/stable)	1h 35m 31s
Integration (3.10, 3.5/stable)	2h 6m 35s
Quarantined Integration Tests (3.10, 3.4/stable)	1h 40m 11s
Integration (3.10, 3.6/candidate)	2h 9m 11s
Quarantined Integration Tests (3.10, 3.5/stable)	1h 44m 59s
	15h 24m 34s

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