fix: add env var to noxfile so that latest abi is used by default if not known

Author: 56kyle

{{cookiecutter.project_name}}/noxfile.py

@@ -12,6 +12,7 @@
 
 
 nox.options.default_venv_backend = "uv"
+os.environ.setdefault("PYO3_USE_ABI3_FORWARD_COMPATIBILITY", "1")
 
 # Logic that helps avoid metaprogramming in cookiecutter-robust-python
 MIN_PYTHON_VERSION_SLUG: int = int("{{cookiecutter.min_python_version}}".lstrip("3."))