fix: Add std feature to rand crate for WASM compatibility

Author: sanity

Cargo.toml

@@ -26,7 +26,7 @@ bs58 = "0.5.1"
 
 # Utilities
 byteorder = "1.5.0"
-rand = { version = "0.8.5", features = ["getrandom", "std_rng"], default-features = false }
+rand = { version = "0.8.5", features = ["getrandom", "std_rng", "std"], default-features = false }
 getrandom = { version = "0.2.15", features = ["js", "wasm-bindgen", "std"], default-features = false }
 base64 = "0.22.1"
 once_cell = "1.18.0"