Align PyPI publish workflow with existing trusted publisher (#873)

Author: cmungall

.github/workflows/pypi-publish.yaml

@@ -9,8 +9,8 @@ jobs:
   build-n-publish:
     name: Build and publish Python 🐍 distributions 📦 to PyPI
     runs-on: ubuntu-latest
-    environment: release
     permissions:
+      contents: read
       id-token: write
 
     steps: