Enable OIDC publishing for PyPI

.github/workflows/pypi-publish.yml

@@ -9,6 +9,8 @@ jobs:
   pypi:
     name: Build and publish Python distributions to PyPI
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
     steps:
     - uses: actions/checkout@v2
 
@@ -31,6 +33,3 @@ jobs:
 
     - name: Publish distribution to PyPI
       uses: pypa/gh-action-pypi-publish@release/v1
-      with:
-        user: __token__
-        password: ${{ secrets.PYPI_PASSWORD }}