Update publish_pypi GithubAction (#49)

Author: eriknw

.github/workflows/publish_pypi.yml

@@ -8,6 +8,7 @@ on:
 jobs:
   build_and_deploy:
     runs-on: ubuntu-latest
+    if: github.repository == 'python-graphblas/graphblas-algorithms'
     defaults:
       run:
         shell: bash -l {0}
@@ -21,11 +22,20 @@ jobs:
         with:
           python-version: "3.8"
       - name: Install build dependencies
-        run: python -m pip install setuptools wheel
-      - name: Build wheel
-        run: python setup.py sdist bdist_wheel
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install build twine
+      - name: Build wheel and sdist
+        run: python -m build --sdist --wheel
+      - uses: actions/upload-artifact@v3
+        with:
+          name: releases
+          path: dist
+          if-no-files-found: error
+      - name: Check with twine
+        run: python -m twine check --strict dist/*
       - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@v1.6.4
         with:
           user: __token__
           password: ${{ secrets.PYPI_TOKEN }}