Update publish-on-pypi.yml

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

@@ -1,7 +1,7 @@
 # This workflow will install Python dependencies, run tests and lint with a single version of Python
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
 
-name: Python xmllformatter package
+name: Publish xmllformatter on PyPi
 
 on:
   push:
@@ -39,3 +39,16 @@ jobs:
       with:
         name: python-package-distributions
         path: dist/
+
+  publish-to-pypi:
+    name: Publish Python 🐍 distribution 📦 to PyPI
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    needs:
+    - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/xmlformatter
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+