test: add tests for main() argument handling

This test provides missing coverage for __wasi_args_get() and
__wasi_args_sizes_get(), which translate to argc and argv in
WASI applications.

PR-URL: https://github.com/nodejs/node/pull/31426


Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>