Update actions/upload-artifact action to v6 (#3048)

renovate[bot] · web-flow · commit ebd736050d68 · 2025-12-13T20:53:13.000+07:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;

[skip ci]
diff --git a/.github/workflows/k8s-scaling-test.yml b/.github/workflows/k8s-scaling-test.yml
@@ -199,7 +199,7 @@ jobs:
         run: mv ./tests/tests/autoscaling_results.md ./tests/tests/results_${{ matrix.test-strategy }}.md
       - name: Upload results
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: results_${{ matrix.test-strategy }}
           path: ./tests/tests/results_${{ matrix.test-strategy }}.md
