Update workflow (try to fix publishing)

.github/workflows/publish.yml

@@ -1,35 +1,49 @@
-name: Publish to TestPyPI and PyPI
+name: Publish to PyPI
 
 on:
   # Triggers the workflow when a release is created or edited.
   release:
     types: [created]
 
 jobs:
-  build-n-publish:
-    name: Publish to TestPyPI and PyPI
+  build:
+    name: Build distribution
     runs-on: ubuntu-latest
-    permissions:
-      id-token: write # For pypi trusted publishing
-
     steps:
       - uses: actions/checkout@v4
-
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: "3.x"
 
       - name: Install pypa/build
-        run: python -m pip install build --user
-
+        run: python3 -m pip install build --user
       - name: Build a binary wheel and a source tarball
-        run: python -m build --sdist --wheel --outdir dist/
-
-      - name: Publish distribution to Test PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+        run: python3 -m build
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v4
         with:
-          repository-url: https://test.pypi.org/legacy/
+          name: python-package-distributions
+          path: dist/
 
-      - name: Publish distribution to PyPI
+  publish-to-pypi:
+    name: Publish to PyPI
+    needs:
+      - build
+    runs-on: ubuntu-latest
+
+    environment:
+      name: pypi
+      url: https://pypi.org/p/paramax
+
+    permissions:
+      id-token: write # Mandatory for trusted publishing
+
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+      - name: Publish distribution 📦 to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1