bump boa_wasm to 0.21

Author: jedel1043

package.json

@@ -27,7 +27,7 @@
     "lint": "prettier --check . && tsc && eslint ."
   },
   "dependencies": {
-    "@boa-dev/boa_wasm": "^0.20.0",
+    "@boa-dev/boa_wasm": "^0.21.0",
     "@docusaurus/core": "^3.9.1",
     "@docusaurus/plugin-content-pages": "^3.9.1",
     "@docusaurus/preset-classic": "^3.9.1",