feat!: Upgrade to Binaryen v120

Author: ospencer

package.json

@@ -6,7 +6,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "ocaml": ">= 4.12.0 < 5.0.0",
-    "@grain/libbinaryen": ">= 116.0.0 < 117.0.0",
+    "@grain/libbinaryen": ">= 120.0.0 < 121.0.0",
     "@opam/dune": ">= 3.0.0 < 3.12.0",
     "@opam/dune-configurator": ">= 3.0.0"
   },