chore(deps): update actions/upload-artifact action to v6 (#618)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -28,7 +28,7 @@ jobs:
           DEBUG: ${{ secrets.DEBUG }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: artifacts
           path: artifacts