Bump actions/download-artifact from 5 to 6 (#108)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy.yaml

@@ -69,12 +69,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download sdist artifact
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: sdist
           path: dist
       - name: Download wheels artifact
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           pattern: wheels-*
           merge-multiple: true