feat: Upgrade dependencies and refactor client

- Upgrade several dependencies to their latest versions.
- Refactor the EVM client for improved modularity and clarity.
- Simplify transaction signing and sending logic.

evm_client/Cargo.toml

@@ -7,21 +7,24 @@ edition = "2021"
 path = "src/lib.rs"
 
 [dependencies]
-vault = { path = "../vault" }
+ethers-core = "2.0"
+gloo-net = { version = "0.5", features = ["http"] }
+rlp = "0.5"
+reqwest = { version = "0.11", features = ["json"] }
 async-trait = "0.1"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+vault = { path = "../vault" }
 thiserror = "1"
 alloy-rlp = { version = "0.3.11", features = ["derive"] }
 alloy-primitives = "1.1.0"
-serde = { version = "1", features = ["derive"] }
-serde_json = "1"
 log = "0.4"
 hex = "0.4"
-reqwest = { version = "0.11", features = ["json"] }
 k256 = { version = "0.13", features = ["ecdsa"] }
-gloo-net = { version = "0.5", features = ["http"] }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3"
+web-sys = { version = "0.3", features = ["console"] }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
 tokio = { version = "1", features = ["macros", "rt-multi-thread"] }