chore(deps): update actions/upload-artifact action to v5 (#1533)

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

Author: renovate[bot]

.github/workflows/loadtest.yaml

@@ -24,7 +24,7 @@ jobs:
         run: /home/node/artillery/bin/artillery report --output reports/report reports/report.json
 
       - name: Archive test report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: artillery-test-report
           path: reports/*