[CI] Update actions/upload-artifact to v4.

Author: mmurooka

.github/workflows/ci.yaml

@@ -189,7 +189,7 @@ jobs:
           tar czf /tmp/results/${LOG_FILENAME}.tar.gz -C /tmp ${LOG_FILENAME}.bin
       - name: Upload simulation data
         if: env.RUN_SIMULATION_STEPS == 'true'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: MCC-ci-results-${{ matrix.catkin-build }}
           path: /tmp/results