Bump actions/download-artifact from 5 to 6 (#53)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/Test.yml

@@ -73,25 +73,25 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     steps:
       - name: Download Ubuntu wheel artifact 3.12
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: wheel-ubuntu-latest-3.12
           path: wheels/ubuntu
 
       - name: Download Ubuntu wheel artifact 3.13
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: wheel-ubuntu-latest-3.13
           path: wheels/ubuntu
 
       - name: Download Windows wheel artifact 3.12
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: wheel-windows-latest-3.12
           path: wheels/windows
 
       - name: Download Windows wheel artifact 3.13
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: wheel-windows-latest-3.13
           path: wheels/windows