tighten conduit constraints and fix websocket-async

[avsm]

found in revdeps for #13388

[camelus]

☀️ All lint checks passed 63b0f4d

• These packages passed lint tests: cohttp-async.1.2.0, conduit-async.1.0.0, conduit-async.1.0.3, conduit-async.1.1.0, conduit-async.1.2.0, conduit-async.1.3.0, conduit-async.1.4.0, conduit-lwt.1.0.0, conduit-lwt.1.0.3, conduit-lwt.1.1.0, conduit-lwt.1.3.0, conduit-lwt.1.4.0, gemini.0.1, websocket-async.2.11

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☀️ Installability check (10380 → 10380)

[mseri]

There is no conduit 1.2.0. I think this is 1.1.0

[avsm]

good catch! fix pushed in 63b0f4d