[wormhole-attester] Bump client v to 4.0.0 (#640)

Author: ali-behjati

wormhole_attester/Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "pyth-wormhole-attester-client"
-version = "3.0.0"
+version = "4.0.0"
 edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html