Use Go 1.21 WASI GOOS in examples about wasm4 HOT 2 OPEN

diff --git a/runtimes/web/src/runtime.ts b/runtimes/web/src/runtime.ts
index bf83d76..01c81d5 100644
--- a/runtimes/web/src/runtime.ts
+++ b/runtimes/web/src/runtime.ts
@@ -159,8 +159,21 @@ export class Runtime {
             tracef: this.tracef.bind(this),
         };
 
+        const wasi_snapshot_preview1 = {
+            sched_yield: () => {},
+            proc_exit: () => {},
+            args_get: () => {},
+            args_sizes_get: () => {},
+            clock_time_get: () => {},
+            environ_get: () => {},
+            environ_sizes_get: () => {},
+            fd_write: () => {},
+            random_get: () => {},
+            poll_oneoff: () => {},
+        };
+
         await this.bluescreenOnError(async () => {
-            const module = await WebAssembly.instantiate(wasmBuffer, { env });
+            const module = await WebAssembly.instantiate(wasmBuffer, { env, wasi_snapshot_preview1 });
             this.wasm = module.instance;
 
             // Call the WASI _start/_initialize function (different from WASM-4's start callback!)