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/truncation_rights.rs

@@ -66,8 +66,7 @@ unsafe fn test_truncation_rights(dir_fd: wasi::Fd) {
         // wasi_unstable::RIGHT_PATH_FILESTAT_SET_SIZE right.
         assert_errno!(
             wasi::path_open(dir_fd, 0, "file", wasi::OFLAGS_TRUNC, 0, 0, 0)
-                .expect_err("truncating a file without path_filestat_set_size right")
-                .raw_error(),
+                .expect_err("truncating a file without path_filestat_set_size right"),
             wasi::ERRNO_PERM
         );
     }