build(deps): bump actions/download-artifact from 4 to 8

Author: merger-application[bot]

.github/workflows/pypi.yml

@@ -18,7 +18,7 @@ jobs:
       id-token: write
     steps:
       - name: Download distributions 📦
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: package
           path: dist/