Fix py 3.12 build (#568)

Author: adamjmcgrath

.github/workflows/test.yml

@@ -67,7 +67,7 @@ jobs:
           pip install --user pipx
           pip install --user setuptools
           pipx ensurepath
-          pipx install poetry==1.4.2
+          pipx install poetry
           poetry config virtualenvs.in-project true
           poetry install --with dev
           poetry self add "poetry-dynamic-versioning[plugin]==1.1.1"