move websocket feed to async and add read timeout (#55)

* move websocket feed to async and add read timeout

This fix prevents processes from hanging indefinitely while waiting
for reads on dead connections.
Previously, these processes would remain stuck until terminated by the watchdog.

* lint

---------

Co-authored-by: Daniel Xifra <[email protected]>

Author: dvush

Cargo.lock

@@ -32,7 +32,6 @@ jsonrpsee = { version = "0.20.3", features = ["full"] }
 tracing = "0.1.37"
 time = { version = "0.3.36", features = ["macros", "formatting", "parsing"] }
 thiserror = "1.0.64"
-tungstenite = "0.23.0"
 ahash = "0.8.6"
 itertools = "0.11.0"
 rand = "0.8.5"
@@ -62,6 +61,8 @@ metrics_macros =  { git = "https://github.com/flashbots/rbuilder.git", rev = "22
 
 #rbuilder = {path="./../rbuilder/crates/rbuilder"}
 rbuilder = { git = "https://github.com/flashbots/rbuilder.git", rev = "2266b217cbaf1a251514966e2cfafe01689a6537"}
+tokio-tungstenite = "0.26.2"
+exponential-backoff = "1.2.0"
 
 [build-dependencies]
 built = { version = "0.7.1", features = ["git2", "chrono"] }