refurb @1.9.1: ModuleNotFoundError: No module named 'poetry'

[ryandesign (Ryan Carsten Schmidt)]

​https://build.macports.org/builders/ports-12_arm64-builder/builds/79324/steps/install-port/logs/stdio

* Getting build dependencies for wheel...

Traceback (most recent call last):
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/pep517/wrappers.py", line 319, in _call_hook
    raise BackendUnavailable(data.get('traceback', ''))
pep517.wrappers.BackendUnavailable: Traceback (most recent call last):
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/pep517/in_process/_in_process.py", line 77, in _build_backend
    obj = import_module(mod_path)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1004, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'poetry'

ERROR Backend 'poetry.core.masonry.api' is not available.

[jmroot (Joshua Root)]

In 13b40d773dee8c3353b986e1ca390ba777ff7de2/macports-ports (master):

refurb: set correct pep517_backend

Fixes: #66563