Updated how stubs are built

.github/workflows/build.yml

@@ -209,7 +209,7 @@ jobs:
         TWINE_USERNAME: ${{ secrets.pypi_username }}
         TWINE_PASSWORD: ${{ secrets.pypi_password }}
       run: |
-        # setup.py sdist was run by 'make stubs'
+        # python -m build was run by 'make stubs'
         [ -z "$TWINE_USERNAME" ] || echo "Uploading dev release to PyPi"
         [ -z "$TWINE_USERNAME" ] || twine upload circuitpython-stubs/dist/*
 

Makefile

@@ -266,7 +266,7 @@ stubs:
 	@cp setup.py-stubs circuitpython-stubs/setup.py
 	@cp README.rst-stubs circuitpython-stubs/README.rst
 	@cp MANIFEST.in-stubs circuitpython-stubs/MANIFEST.in
-	@(cd circuitpython-stubs && $(PYTHON) setup.py -q sdist)
+	@$(PYTHON) -m build circuitpython-stubs
 
 .PHONY: check-stubs
 check-stubs: stubs

requirements-doc.txt

@@ -3,6 +3,7 @@ mypy
 black
 isort
 twine
+build
 wheel
 astroid
 setuptools>=45