fix(deps): update rust crate getrandom to 0.4

Author: renovate[bot]

wasm/Cargo.toml

@@ -61,7 +61,7 @@ resize = { version = "0.8", features = ["std"], default-features = false }
 rgb = "0.8"
 
 # Enable WebAssembly support for a few crates
-getrandom = { version = "0.2", features = ["js"] }
+getrandom = { version = "0.4", features = ["js"] }
 chrono = { version = "0.4", features = ["wasmbind"] }
 time = { version = "0.3", features = ["wasm-bindgen"] }