refactor(deps): bump actions/download-artifact from 6 to 7 (#21)

Author: dependabot[bot]

.github/workflows/buildrelease.yml

@@ -69,7 +69,7 @@ jobs:
           token: ${{ env.GITHUB_TOKEN }}
 
       - name: Download tarball
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: python-tarball
           path: .