use trusted publishing (#437)

* use trusted publishing

* add back the verbose setting

Author: keewis

.github/workflows/pypi.yaml

@@ -83,6 +83,13 @@ jobs:
     needs: test-built-dist
     if: github.event_name == 'release'
     runs-on: ubuntu-latest
+
+    environment:
+      name: pypi
+      url: https://pypi.org/p/cf-xarray
+    permissions:
+      id-token: write
+
     steps:
       - uses: actions/download-artifact@v3
         with:
@@ -91,5 +98,4 @@ jobs:
       - name: Publish package to PyPI
         uses: pypa/[email protected]
         with:
-          password: ${{ secrets.PYPI_PASSWORD }}
           verbose: true