update pyodide workflow for new pyproject.toml

Author: tybug

.github/workflows/main.yml

@@ -257,8 +257,8 @@ jobs:
           CFLAGS=-g2 LDFLAGS=-g2 pyodide build
       - name: Set up Pyodide venv and install dependencies
         run: |
-          pip install --upgrade setuptools pip wheel
-          python hypothesis-python/setup.py bdist_wheel
+          pip install --upgrade setuptools pip wheel build
+          python -m build --wheel hypothesis-python --outdir dist/
           pip download --dest=dist/ hypothesis-python/ pytest tzdata  # fetch all the wheels
 
           rm dist/packaging-*.whl  # fails with `invalid metadata entry 'name'`