Attempt 2 at trusted publisher

.github/workflows/upload_pypi.yml

@@ -14,26 +14,44 @@ jobs:
     name: Run Workflow Tests
     uses: ./.github/workflows/test.yml
 
-  build-n-publish:
-    name: Build and Publish to PyPi
+  build:
+    name: Build
     runs-on: ubuntu-latest
     needs: [run-workflow-tests]
-    environment: release
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.8"
+      - name: Install pypa/build
+        run: >-
+          python3 -m pip install build --user
+      - name: Build a binary wheel and a source tarball
+        run: python3 -m build
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+  upload:
+    name: Upload release to PyPI
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    environment:
+      name: release
+      url: https://pypi.org/p/fixate
     permissions:
       id-token: write
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Setup Python
-      uses: actions/setup-python@v4
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
       with:
-        python-version: "3.8"
-    - name: Install build
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install build --user
-    - name: Build the package
-      run: |
-        python -m build --sdist --wheel --outdir dist/ .
+        name: python-package-distributions
+        path: dist/
     - name: Publish distribution to PyPI
       uses: pypa/gh-action-pypi-publish@release/v1