Do not use a reusable workflow for PyPI uploads

Due to pypi/warehouse#11096 one cannot use a
reusable workflow for uploading wheels to PyPI yet.

Author: JCGoran

.github/workflows/pypi-upload-template.yml

@@ -32,8 +32,19 @@ jobs:
           pattern: wheels-*
 
   pypi-publish:
-    name: Upload wheel to PyPI
-    uses: ./.github/workflows/pypi-upload-template.yml
+    name: Upload wheels to PyPI
     needs: merge
-    with:
-      project_name: 'neuron-nightly'
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/neuron-nightly
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+      - name: Download wheels from artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: wheels
+          path: dist/
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1