Reverting download-artifacts to V3

Author: Matthias Koefferlein

.github/workflows/build.yml

@@ -92,7 +92,7 @@ jobs:
     needs: [build, make_sdist]
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/download-artifact@v4
+    - uses: actions/download-artifact@v3
       with:
         name: artifact
         path: dist
@@ -109,7 +109,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'release' && github.event.action == 'published'
     steps:
-    - uses: actions/download-artifact@v4
+    - uses: actions/download-artifact@v3
       with:
         name: artifact
         path: dist