Add async connect() to promise API #118

Job	Run time
stable - x86_64-unknown-linux-gnu - node@20	4m 29s
stable - x86_64-apple-darwin - node@20	3m 17s
stable - aarch64-unknown-linux-musl - node@20	5m 43s
stable - aarch64-apple-darwin - node@20	2m 44s
stable - x86_64-unknown-linux-musl - node@20	6m 30s
stable - x86_64-pc-windows-msvc - node@20	5m 38s
stable - aarch64-unknown-linux-gnu - node@20	4m 45s
Test bindings on Linux-x64-gnu - node@20	28s
Test bindings on Linux-x64-gnu - node@22	28s
Test bindings on aarch64-unknown-linux-gnu - node@20	1m 46s
Test bindings on x86_64-pc-windows-msvc - node@22	1m 20s
Test bindings on aarch64-unknown-linux-musl - node@	2m 1s
Test bindings on x86_64-unknown-linux-musl - node@20	29s
Test bindings on x86_64-unknown-linux-musl - node@22	28s
Test bindings on aarch64-unknown-linux-gnu - node@22	2m 0s
Publish	10s
	42m 16s

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