test: remove flaky designation for test-net-connect-options-port

Closes: https://github.com/nodejs/node/issues/23207

PR-URL: https://github.com/nodejs/node/pull/31841
Fixes: https://github.com/nodejs/node/issues/23207


Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>