chore: bump init4-bin-base to 0.19.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: prestwich

Cargo.toml

@@ -53,7 +53,7 @@ signet-node-tests = { version = "0.16.0", path = "crates/node-tests" }
 signet-node-types = { version = "0.16.0", path = "crates/node-types" }
 signet-rpc = { version = "0.16.0", path = "crates/rpc" }
 
-init4-bin-base = { version = "0.18.0", features = ["alloy"] }
+init4-bin-base = { version = "0.19.0", features = ["alloy"] }
 
 # ajj
 ajj = { version = "0.3.4" }