Update build_downport.yaml (#365)

Author: oblomov-dev

.github/workflows/build_downport.yaml

@@ -12,8 +12,8 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-node@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
         node-version: 20
     - run: git clone https://github.com/abap2UI5/abap2UI5-setup.git && cp -r abap2UI5-setup/* . && npm i