wasi preview 2 support (#4027)

* all: wasip2 support

Co-authored-by: Randy Reddig <randy.reddig@fastly.com>

src/internal/wasi/cli/v0.2.0/stdin/stdin.wit.go

@@ -0,0 +1,26 @@
+// Code generated by wit-bindgen-go. DO NOT EDIT.
+
+//go:build !wasip1
+
+// Package stdin represents the imported interface "wasi:cli/stdin@0.2.0".
+package stdin
+
+import (
+	"github.com/ydnar/wasm-tools-go/cm"
+	"internal/wasi/io/v0.2.0/streams"
+)
+
+// GetStdin represents the imported function "get-stdin".
+//
+//	get-stdin: func() -> input-stream
+//
+//go:nosplit
+func GetStdin() (result streams.InputStream) {
+	result0 := wasmimport_GetStdin()
+	result = cm.Reinterpret[streams.InputStream]((uint32)(result0))
+	return
+}
+
+//go:wasmimport wasi:cli/stdin@0.2.0 get-stdin
+//go:noescape
+func wasmimport_GetStdin() (result0 uint32)