Use compatible artifact upload action

.gitea/workflows/check.yml

@@ -16,7 +16,7 @@ jobs:
       - run: python3 -m tools.packages check examples/starter-planner
       - run: python3 -m tools.packages pack packages/planner-scope dist/planner-scope.zip
       - run: python3 -m tools.packages pack examples/starter-planner dist/starter-planner.zip
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           name: instruction-packages
           path: dist/*.zip