chore(deps): update actions/upload-artifact action to v7 (#69)

Co-authored-by: schtack-renovator[bot] <189104595+schtack-renovator[bot]@users.noreply.github.com>

Author: schtack-renovator[bot]

.github/workflows/renovate.yaml

@@ -101,7 +101,7 @@ jobs:
         tar -czvf $cache_archive -C $cache_dir .
 
     - name: Upload Renovate cache
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       if: github.event.inputs.repoCache != 'disabled'
       with:
         name: ${{ env.cache_key }}