chore(deps): update actions/upload-artifact action to v6 (#293)

Author: renovate[bot]

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: test-results
           path: |