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

Change by Ido Michael <michael.ido@gmail.com>: ---------- pull_requests: +17989 pull_request: https://github.com/python/cpython/pull/18624 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue39128> _______________________________________