ci: bump actions/download-artifact from 5 to 6 (#25599)

Author: dependabot[bot]

.github/workflows/release_ci.yml

@@ -111,7 +111,7 @@ jobs:
     needs: release-build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
       - name: Create release
         uses: ncipollo/release-action@v1
         with: