[docs] [issue39128] Document happy eyeball parameters in loop.create_connection signature docs

Change by miss-islington <mariatta.wijaya+miss-islington@gmail.com>: ---------- pull_requests: +17804 pull_request: https://github.com/python/cpython/pull/18428 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue39128> _______________________________________