Update wasi-tests to wasi 0.11. (#5488)

This updates the tests to version 0.11 of the wasi bindings. There
aren't any fundamental changes here; this just syncs up with the latest
version so that it's consistent with other users of the wasi APIs.

crates/test-programs/wasi-tests/src/bin/path_open_missing.rs

@@ -7,8 +7,7 @@ unsafe fn test_path_open_missing(dir_fd: wasi::Fd) {
             dir_fd, 0, "file", 0, // not passing O_CREAT here
             0, 0, 0,
         )
-        .expect_err("trying to open a file that doesn't exist")
-        .raw_error(),
+        .expect_err("trying to open a file that doesn't exist"),
         wasi::ERRNO_NOENT
     );
 }