build: Fix wasm-opt error

Author: sorairolake

crates/wasm/Cargo.toml

@@ -18,6 +18,9 @@ keywords = ["crypto", "scrypt"]
 categories = ["cryptography", "wasm"]
 include = ["/LICENSES", "/README.md", "/src"]
 
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["--enable-bulk-memory", "--enable-nontrapping-float-to-int"]
+
 [lib]
 crate-type = ["cdylib", "rlib"]