Revert back to previous version of PyPI workflow (#19)

.github/workflows/pypi-release.yaml

@@ -18,32 +18,53 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build:
+  build-artifacts:
     runs-on: ubuntu-latest
     if: github.repository == 'xarray-contrib/cupy-xarray'
     steps:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Build & inspect package
-        uses: hynek/[email protected]
-        id: distribution
+      - uses: actions/setup-python@v4
+        name: Install Python
+        with:
+          python-version: 3.8
 
-  upload:
-    runs-on: ubuntu-latest
-    needs: build
-    if: github.event_name == 'release'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install setuptools setuptools-scm wheel twine check-manifest
 
+      - name: Build tarball and wheels
+        run: |
+          git clean -xdf
+          git restore -SW .
+          python -m build --sdist --wheel .
+
+      - name: Check built artifacts
+        run: |
+          python -m twine check dist/*
+          pwd
+          if [ -f dist/cupy-xarray-0.0.0.tar.gz ]; then
+            echo "❌ INVALID VERSION NUMBER"
+            exit 1
+          else
+            echo "✅ Looks good"
+          fi
+      - uses: actions/upload-artifact@v3
+        with:
+          name: releases
+          path: dist
+
+  upload-to-pypi:
+    needs: build-artifacts
+    if: github.event_name == 'release'
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/download-artifact@v3
         with:
-          name: Packages
+          name: releases
           path: dist
-
-      - name: Check
-        run: |
-          ls -ltrh dist
-
       - name: Publish package to PyPI
         uses: pypa/[email protected]
         with: