Update build/release to use pyproject.toml

.github/workflows/release.yml

@@ -23,14 +23,15 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install build wheel twine
+        pip install setuptools wheel twine build toml
 
     - name: Build package
-      run: python setup.py sdist bdist_wheel
+      run: |
+        python -m build --sdist --wheel --outdir dist/
 
     - name: Check if package version already exists
       run: |
-        PACKAGE_NAME=$(python setup.py --name)
+        PACKAGE_NAME=$(python -c "import toml; print(toml.load('pyproject.toml')['project']['name'])") 
         PACKAGE_VERSION=${{ github.event.inputs.version }}
         if twine check dist/*; then
           if pip install $PACKAGE_NAME==$PACKAGE_VERSION; then