Add a new after auth handshake to ensure connection is ready (#322) #692

Job	Run time
docs	1m 21s
benches	3m 27s
Clippy	1m 25s
rustfmt	12s
Run the default tests	3m 4s
Test ractor without async-trait	3m 7s
Test ractor without span propogation	3m 16s
Test ractor with the `cluster` feature	3m 11s
Test ractor with the `blanket_serde` feature	3m 13s
Test ractor_cluster with native async traits	2m 48s
Test ractor_cluster with async_trait	2m 51s
Test ractor with the monitor API	3m 3s
	30m 58s

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