Merge pull request #60 from matsui528/build

Use `python -m build` to build the library when uploading to pypi

.github/workflows/publish.yml

@@ -27,10 +27,11 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
+        pip install build
 
     - name: Build package
       run: |
-        python setup.py sdist
+        python -m build
 
     - name: Publish package distributions to PyPI
       uses: pypa/gh-action-pypi-publish@release/v1