update release pipeline to use oidc issued tokens

.github/workflows/python-publish.yml

@@ -14,6 +14,11 @@ env:
 jobs:
   deploy:
     runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/dothttp-req
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python
@@ -35,13 +40,11 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install setuptools wheel twine
-      - name: Build and publish
-        env:
-          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
-          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      - name: Build
         run: |
           cd dothttp
           python setup.py sdist bdist_wheel
           python setup.py sdist sdist
           ls -alh dist
-          twine upload dist/*
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1