prepare v0.4.1 (#86)

Author: julio4

Cargo.toml

@@ -7,9 +7,9 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.3.1"
+version = "0.4.1"
 edition = "2024"
-rust-version = "1.90"
+rust-version = "1.91"
 license = "MIT"
 homepage = "https://github.com/flashbots/rblib"
 repository = "https://github.com/flashbots/rblib"