[Fix] GitHub Actions for publishing package distributions to PyPI (#29)

.github/workflows/publish-to-pypi.yml

@@ -5,18 +5,20 @@ on: push
 jobs:
   build-n-publish:
     runs-on: ubuntu-latest
+    environment: release
     if: startsWith(github.event.ref, 'refs/tags')
     steps:
       - uses: actions/checkout@v2
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v1
         with:
           python-version: 3.8
+
       - name: Build XRFeitoria
         run: |
           pip install wheel
           pip wheel --no-deps --wheel-dir dist .
-      - name: Publish distribution to PyPI
-        run: |
-          pip install twine
-          twine upload dist/* -u __token__ -p ${{ secrets.pypi_password }}
+
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1